Home / 135,757.08-187,341.90-75,326.42

Finding the Fourth Proportional to 135,757.08, 187,341.90 and 75,326.42

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Solution

The fourth proportional to 135,757.08, 187,341.90 and 75,326.42 is: 103,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,757.08 : 187,341.90 = 75,326.42 : x
  2. Step 2: Convert to fraction form
    135,757.08/187,341.90 = 75,326.42/x
  3. Step 3: Cross multiply
    135,757.08x = 187,341.90 × 75,326.42
  4. Step 4: Simplify right side
    135,757.08x = 14,111,793,706.29
  5. Step 5: Solve for x
    x = 14,111,793,706.29/135,757.08
  6. Step 6: Final answer
    x = 103,948.86

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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.