Home / 127,708.52-176,053.64-89,349.23

Finding the Fourth Proportional to 127,708.52, 176,053.64 and 89,349.23

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Solution

The fourth proportional to 127,708.52, 176,053.64 and 89,349.23 is: 123,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,708.52 : 176,053.64 = 89,349.23 : x
  2. Step 2: Convert to fraction form
    127,708.52/176,053.64 = 89,349.23/x
  3. Step 3: Cross multiply
    127,708.52x = 176,053.64 × 89,349.23
  4. Step 4: Simplify right side
    127,708.52x = 15,730,257,172.70
  5. Step 5: Solve for x
    x = 15,730,257,172.70/127,708.52
  6. Step 6: Final answer
    x = 123,173.12

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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.