Home / 136,407.03-188,246.19-75,149.97

Finding the Fourth Proportional to 136,407.03, 188,246.19 and 75,149.97

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Solution

The fourth proportional to 136,407.03, 188,246.19 and 75,149.97 is: 103,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,407.03 : 188,246.19 = 75,149.97 : x
  2. Step 2: Convert to fraction form
    136,407.03/188,246.19 = 75,149.97/x
  3. Step 3: Cross multiply
    136,407.03x = 188,246.19 × 75,149.97
  4. Step 4: Simplify right side
    136,407.03x = 14,146,695,531.11
  5. Step 5: Solve for x
    x = 14,146,695,531.11/136,407.03
  6. Step 6: Final answer
    x = 103,709.43

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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.