Home / 136,151.06-187,874.06-75,711.92

Finding the Fourth Proportional to 136,151.06, 187,874.06 and 75,711.92

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Solution

The fourth proportional to 136,151.06, 187,874.06 and 75,711.92 is: 104,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,151.06 : 187,874.06 = 75,711.92 : x
  2. Step 2: Convert to fraction form
    136,151.06/187,874.06 = 75,711.92/x
  3. Step 3: Cross multiply
    136,151.06x = 187,874.06 × 75,711.92
  4. Step 4: Simplify right side
    136,151.06x = 14,224,305,891.92
  5. Step 5: Solve for x
    x = 14,224,305,891.92/136,151.06
  6. Step 6: Final answer
    x = 104,474.44

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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.