Home / 127,740.33-176,283.36-71,151.71

Finding the Fourth Proportional to 127,740.33, 176,283.36 and 71,151.71

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Solution

The fourth proportional to 127,740.33, 176,283.36 and 71,151.71 is: 98,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,740.33 : 176,283.36 = 71,151.71 : x
  2. Step 2: Convert to fraction form
    127,740.33/176,283.36 = 71,151.71/x
  3. Step 3: Cross multiply
    127,740.33x = 176,283.36 × 71,151.71
  4. Step 4: Simplify right side
    127,740.33x = 12,542,861,627.13
  5. Step 5: Solve for x
    x = 12,542,861,627.13/127,740.33
  6. Step 6: Final answer
    x = 98,190.30

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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.