Home / 91,436.64-126,223.92-53,713.92

Finding the Fourth Proportional to 91,436.64, 126,223.92 and 53,713.92

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Solution

The fourth proportional to 91,436.64, 126,223.92 and 53,713.92 is: 74,149.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,436.64 : 126,223.92 = 53,713.92 : x
  2. Step 2: Convert to fraction form
    91,436.64/126,223.92 = 53,713.92/x
  3. Step 3: Cross multiply
    91,436.64x = 126,223.92 × 53,713.92
  4. Step 4: Simplify right side
    91,436.64x = 6,779,981,540.97
  5. Step 5: Solve for x
    x = 6,779,981,540.97/91,436.64
  6. Step 6: Final answer
    x = 74,149.50

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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.