Home / 90,714.16-125,191.08-50,428.12

Finding the Fourth Proportional to 90,714.16, 125,191.08 and 50,428.12

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Solution

The fourth proportional to 90,714.16, 125,191.08 and 50,428.12 is: 69,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,714.16 : 125,191.08 = 50,428.12 : x
  2. Step 2: Convert to fraction form
    90,714.16/125,191.08 = 50,428.12/x
  3. Step 3: Cross multiply
    90,714.16x = 125,191.08 × 50,428.12
  4. Step 4: Simplify right side
    90,714.16x = 6,313,150,805.17
  5. Step 5: Solve for x
    x = 6,313,150,805.17/90,714.16
  6. Step 6: Final answer
    x = 69,593.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.