Home / 126,187.89-174,079.17-75,171.39

Finding the Fourth Proportional to 126,187.89, 174,079.17 and 75,171.39

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Solution

The fourth proportional to 126,187.89, 174,079.17 and 75,171.39 is: 103,700.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,187.89 : 174,079.17 = 75,171.39 : x
  2. Step 2: Convert to fraction form
    126,187.89/174,079.17 = 75,171.39/x
  3. Step 3: Cross multiply
    126,187.89x = 174,079.17 × 75,171.39
  4. Step 4: Simplify right side
    126,187.89x = 13,085,773,178.95
  5. Step 5: Solve for x
    x = 13,085,773,178.95/126,187.89
  6. Step 6: Final answer
    x = 103,700.71

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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.