Home / 126,960.56-175,261.39-88,869.71

Finding the Fourth Proportional to 126,960.56, 175,261.39 and 88,869.71

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Solution

The fourth proportional to 126,960.56, 175,261.39 and 88,869.71 is: 122,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,960.56 : 175,261.39 = 88,869.71 : x
  2. Step 2: Convert to fraction form
    126,960.56/175,261.39 = 88,869.71/x
  3. Step 3: Cross multiply
    126,960.56x = 175,261.39 × 88,869.71
  4. Step 4: Simplify right side
    126,960.56x = 15,575,427,913.01
  5. Step 5: Solve for x
    x = 15,575,427,913.01/126,960.56
  6. Step 6: Final answer
    x = 122,679.26

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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.