Home / 136,517.88-188,395.60-76,092.41

Finding the Fourth Proportional to 136,517.88, 188,395.60 and 76,092.41

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Solution

The fourth proportional to 136,517.88, 188,395.60 and 76,092.41 is: 105,008.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,517.88 : 188,395.60 = 76,092.41 : x
  2. Step 2: Convert to fraction form
    136,517.88/188,395.60 = 76,092.41/x
  3. Step 3: Cross multiply
    136,517.88x = 188,395.60 × 76,092.41
  4. Step 4: Simplify right side
    136,517.88x = 14,335,475,446.82
  5. Step 5: Solve for x
    x = 14,335,475,446.82/136,517.88
  6. Step 6: Final answer
    x = 105,008.04

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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.