Home / 187,147.50-280,691.12-52,215.06

Finding the Fourth Proportional to 187,147.50, 280,691.12 and 52,215.06

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Solution

The fourth proportional to 187,147.50, 280,691.12 and 52,215.06 is: 78,314.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,147.50 : 280,691.12 = 52,215.06 : x
  2. Step 2: Convert to fraction form
    187,147.50/280,691.12 = 52,215.06/x
  3. Step 3: Cross multiply
    187,147.50x = 280,691.12 × 52,215.06
  4. Step 4: Simplify right side
    187,147.50x = 14,656,304,855.40
  5. Step 5: Solve for x
    x = 14,656,304,855.40/187,147.50
  6. Step 6: Final answer
    x = 78,314.19

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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.