Home / 132,711.28-199,066.92-39,209.74

Finding the Fourth Proportional to 132,711.28, 199,066.92 and 39,209.74

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Solution

The fourth proportional to 132,711.28, 199,066.92 and 39,209.74 is: 58,814.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,711.28 : 199,066.92 = 39,209.74 : x
  2. Step 2: Convert to fraction form
    132,711.28/199,066.92 = 39,209.74/x
  3. Step 3: Cross multiply
    132,711.28x = 199,066.92 × 39,209.74
  4. Step 4: Simplify right side
    132,711.28x = 7,805,362,175.80
  5. Step 5: Solve for x
    x = 7,805,362,175.80/132,711.28
  6. Step 6: Final answer
    x = 58,814.61

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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.