Home / 127,724.27-176,264.97-71,135.66

Finding the Fourth Proportional to 127,724.27, 176,264.97 and 71,135.66

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Solution

The fourth proportional to 127,724.27, 176,264.97 and 71,135.66 is: 98,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,724.27 : 176,264.97 = 71,135.66 : x
  2. Step 2: Convert to fraction form
    127,724.27/176,264.97 = 71,135.66/x
  3. Step 3: Cross multiply
    127,724.27x = 176,264.97 × 71,135.66
  4. Step 4: Simplify right side
    127,724.27x = 12,538,724,975.83
  5. Step 5: Solve for x
    x = 12,538,724,975.83/127,724.27
  6. Step 6: Final answer
    x = 98,170.26

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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.