Home / 95,073.28-131,216.40-72,376

Finding the Fourth Proportional to 95,073.28, 131,216.40 and 72,376

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Solution

The fourth proportional to 95,073.28, 131,216.40 and 72,376 is: 99,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,073.28 : 131,216.40 = 72,376 : x
  2. Step 2: Convert to fraction form
    95,073.28/131,216.40 = 72,376/x
  3. Step 3: Cross multiply
    95,073.28x = 131,216.40 × 72,376
  4. Step 4: Simplify right side
    95,073.28x = 9,496,918,166.40
  5. Step 5: Solve for x
    x = 9,496,918,166.40/95,073.28
  6. Step 6: Final answer
    x = 99,890.51

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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.