Home / 136,087.46-187,790.05-75,654.42

Finding the Fourth Proportional to 136,087.46, 187,790.05 and 75,654.42

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Solution

The fourth proportional to 136,087.46, 187,790.05 and 75,654.42 is: 104,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,087.46 : 187,790.05 = 75,654.42 : x
  2. Step 2: Convert to fraction form
    136,087.46/187,790.05 = 75,654.42/x
  3. Step 3: Cross multiply
    136,087.46x = 187,790.05 × 75,654.42
  4. Step 4: Simplify right side
    136,087.46x = 14,207,147,314.52
  5. Step 5: Solve for x
    x = 14,207,147,314.52/136,087.46
  6. Step 6: Final answer
    x = 104,397.18

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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.