Home / 135,824.59-187,460.13-75,414.79

Finding the Fourth Proportional to 135,824.59, 187,460.13 and 75,414.79

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Solution

The fourth proportional to 135,824.59, 187,460.13 and 75,414.79 is: 104,084.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,824.59 : 187,460.13 = 75,414.79 : x
  2. Step 2: Convert to fraction form
    135,824.59/187,460.13 = 75,414.79/x
  3. Step 3: Cross multiply
    135,824.59x = 187,460.13 × 75,414.79
  4. Step 4: Simplify right side
    135,824.59x = 14,137,266,337.32
  5. Step 5: Solve for x
    x = 14,137,266,337.32/135,824.59
  6. Step 6: Final answer
    x = 104,084.73

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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.