Home / 90,800.10-136,200.15-44,144.10

Finding the Fourth Proportional to 90,800.10, 136,200.15 and 44,144.10

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Solution

The fourth proportional to 90,800.10, 136,200.15 and 44,144.10 is: 66,216.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,800.10 : 136,200.15 = 44,144.10 : x
  2. Step 2: Convert to fraction form
    90,800.10/136,200.15 = 44,144.10/x
  3. Step 3: Cross multiply
    90,800.10x = 136,200.15 × 44,144.10
  4. Step 4: Simplify right side
    90,800.10x = 6,012,433,041.62
  5. Step 5: Solve for x
    x = 6,012,433,041.62/90,800.10
  6. Step 6: Final answer
    x = 66,216.15

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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.