Home / 90,742.38-125,224.83-62,398.86

Finding the Fourth Proportional to 90,742.38, 125,224.83 and 62,398.86

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Solution

The fourth proportional to 90,742.38, 125,224.83 and 62,398.86 is: 86,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,742.38 : 125,224.83 = 62,398.86 : x
  2. Step 2: Convert to fraction form
    90,742.38/125,224.83 = 62,398.86/x
  3. Step 3: Cross multiply
    90,742.38x = 125,224.83 × 62,398.86
  4. Step 4: Simplify right side
    90,742.38x = 7,813,886,635.69
  5. Step 5: Solve for x
    x = 7,813,886,635.69/90,742.38
  6. Step 6: Final answer
    x = 86,110.66

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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.