Home / 135,540.29-187,046.04-75,111.93

Finding the Fourth Proportional to 135,540.29, 187,046.04 and 75,111.93

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Solution

The fourth proportional to 135,540.29, 187,046.04 and 75,111.93 is: 103,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,540.29 : 187,046.04 = 75,111.93 : x
  2. Step 2: Convert to fraction form
    135,540.29/187,046.04 = 75,111.93/x
  3. Step 3: Cross multiply
    135,540.29x = 187,046.04 × 75,111.93
  4. Step 4: Simplify right side
    135,540.29x = 14,049,389,063.26
  5. Step 5: Solve for x
    x = 14,049,389,063.26/135,540.29
  6. Step 6: Final answer
    x = 103,654.71

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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.