Home / 136,115.01-187,841.97-75,688.20

Finding the Fourth Proportional to 136,115.01, 187,841.97 and 75,688.20

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Solution

The fourth proportional to 136,115.01, 187,841.97 and 75,688.20 is: 104,451.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,115.01 : 187,841.97 = 75,688.20 : x
  2. Step 2: Convert to fraction form
    136,115.01/187,841.97 = 75,688.20/x
  3. Step 3: Cross multiply
    136,115.01x = 187,841.97 × 75,688.20
  4. Step 4: Simplify right side
    136,115.01x = 14,217,420,593.75
  5. Step 5: Solve for x
    x = 14,217,420,593.75/136,115.01
  6. Step 6: Final answer
    x = 104,451.53

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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.