Home / 127,708.15-176,053.13-89,348.85

Finding the Fourth Proportional to 127,708.15, 176,053.13 and 89,348.85

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Solution

The fourth proportional to 127,708.15, 176,053.13 and 89,348.85 is: 123,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,708.15 : 176,053.13 = 89,348.85 : x
  2. Step 2: Convert to fraction form
    127,708.15/176,053.13 = 89,348.85/x
  3. Step 3: Cross multiply
    127,708.15x = 176,053.13 × 89,348.85
  4. Step 4: Simplify right side
    127,708.15x = 15,730,144,257.66
  5. Step 5: Solve for x
    x = 15,730,144,257.66/127,708.15
  6. Step 6: Final answer
    x = 123,172.60

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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.