Home / 127,982.19-176,620.92-71,393.58

Finding the Fourth Proportional to 127,982.19, 176,620.92 and 71,393.58

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Solution

The fourth proportional to 127,982.19, 176,620.92 and 71,393.58 is: 98,526.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,982.19 : 176,620.92 = 71,393.58 : x
  2. Step 2: Convert to fraction form
    127,982.19/176,620.92 = 71,393.58/x
  3. Step 3: Cross multiply
    127,982.19x = 176,620.92 × 71,393.58
  4. Step 4: Simplify right side
    127,982.19x = 12,609,599,781.69
  5. Step 5: Solve for x
    x = 12,609,599,781.69/127,982.19
  6. Step 6: Final answer
    x = 98,526.21

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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.