Home / 136,088.28-187,791.17-75,655.25

Finding the Fourth Proportional to 136,088.28, 187,791.17 and 75,655.25

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Solution

The fourth proportional to 136,088.28, 187,791.17 and 75,655.25 is: 104,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,088.28 : 187,791.17 = 75,655.25 : x
  2. Step 2: Convert to fraction form
    136,088.28/187,791.17 = 75,655.25/x
  3. Step 3: Cross multiply
    136,088.28x = 187,791.17 × 75,655.25
  4. Step 4: Simplify right side
    136,088.28x = 14,207,386,596.91
  5. Step 5: Solve for x
    x = 14,207,386,596.91/136,088.28
  6. Step 6: Final answer
    x = 104,398.31

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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.