Home / 90,108.23-135,162.35-33,960.94

Finding the Fourth Proportional to 90,108.23, 135,162.35 and 33,960.94

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Solution

The fourth proportional to 90,108.23, 135,162.35 and 33,960.94 is: 50,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,108.23 : 135,162.35 = 33,960.94 : x
  2. Step 2: Convert to fraction form
    90,108.23/135,162.35 = 33,960.94/x
  3. Step 3: Cross multiply
    90,108.23x = 135,162.35 × 33,960.94
  4. Step 4: Simplify right side
    90,108.23x = 4,590,240,269.28
  5. Step 5: Solve for x
    x = 4,590,240,269.28/90,108.23
  6. Step 6: Final answer
    x = 50,941.41

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.