Home / 90,663.07-135,994.58-28,333.57

Finding the Fourth Proportional to 90,663.07, 135,994.58 and 28,333.57

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Solution

The fourth proportional to 90,663.07, 135,994.58 and 28,333.57 is: 42,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,663.07 : 135,994.58 = 28,333.57 : x
  2. Step 2: Convert to fraction form
    90,663.07/135,994.58 = 28,333.57/x
  3. Step 3: Cross multiply
    90,663.07x = 135,994.58 × 28,333.57
  4. Step 4: Simplify right side
    90,663.07x = 3,853,211,952.05
  5. Step 5: Solve for x
    x = 3,853,211,952.05/90,663.07
  6. Step 6: Final answer
    x = 42,500.35

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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.