Home / 87,948.14-131,920.80-27,975.76

Finding the Fourth Proportional to 87,948.14, 131,920.80 and 27,975.76

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Solution

The fourth proportional to 87,948.14, 131,920.80 and 27,975.76 is: 41,963.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,948.14 : 131,920.80 = 27,975.76 : x
  2. Step 2: Convert to fraction form
    87,948.14/131,920.80 = 27,975.76/x
  3. Step 3: Cross multiply
    87,948.14x = 131,920.80 × 27,975.76
  4. Step 4: Simplify right side
    87,948.14x = 3,690,584,639.81
  5. Step 5: Solve for x
    x = 3,690,584,639.81/87,948.14
  6. Step 6: Final answer
    x = 41,963.19

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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.