Home / 87,460.39-131,127.38-34,107.17

Finding the Fourth Proportional to 87,460.39, 131,127.38 and 34,107.17

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Solution

The fourth proportional to 87,460.39, 131,127.38 and 34,107.17 is: 51,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,460.39 : 131,127.38 = 34,107.17 : x
  2. Step 2: Convert to fraction form
    87,460.39/131,127.38 = 34,107.17/x
  3. Step 3: Cross multiply
    87,460.39x = 131,127.38 × 34,107.17
  4. Step 4: Simplify right side
    87,460.39x = 4,472,383,670.78
  5. Step 5: Solve for x
    x = 4,472,383,670.78/87,460.39
  6. Step 6: Final answer
    x = 51,136.11

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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.