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Finding the Fourth Proportional to 169,658.52, 234,157.56 and 98,080.04

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Solution

The fourth proportional to 169,658.52, 234,157.56 and 98,080.04 is: 135,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,658.52 : 234,157.56 = 98,080.04 : x
  2. Step 2: Convert to fraction form
    169,658.52/234,157.56 = 98,080.04/x
  3. Step 3: Cross multiply
    169,658.52x = 234,157.56 × 98,080.04
  4. Step 4: Simplify right side
    169,658.52x = 22,966,182,851.10
  5. Step 5: Solve for x
    x = 22,966,182,851.10/169,658.52
  6. Step 6: Final answer
    x = 135,367.11

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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.