Home / 156,680.80-216,080.26-126,456.46

Finding the Fourth Proportional to 156,680.80, 216,080.26 and 126,456.46

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Solution

The fourth proportional to 156,680.80, 216,080.26 and 126,456.46 is: 174,397.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,680.80 : 216,080.26 = 126,456.46 : x
  2. Step 2: Convert to fraction form
    156,680.80/216,080.26 = 126,456.46/x
  3. Step 3: Cross multiply
    156,680.80x = 216,080.26 × 126,456.46
  4. Step 4: Simplify right side
    156,680.80x = 27,324,744,755.48
  5. Step 5: Solve for x
    x = 27,324,744,755.48/156,680.80
  6. Step 6: Final answer
    x = 174,397.53

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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.