Home / 187,098.12-280,472.22-68,737.68

Finding the Fourth Proportional to 187,098.12, 280,472.22 and 68,737.68

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Solution

The fourth proportional to 187,098.12, 280,472.22 and 68,737.68 is: 103,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,098.12 : 280,472.22 = 68,737.68 : x
  2. Step 2: Convert to fraction form
    187,098.12/280,472.22 = 68,737.68/x
  3. Step 3: Cross multiply
    187,098.12x = 280,472.22 × 68,737.68
  4. Step 4: Simplify right side
    187,098.12x = 19,279,009,707.25
  5. Step 5: Solve for x
    x = 19,279,009,707.25/187,098.12
  6. Step 6: Final answer
    x = 103,042.24

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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.