Home / 169,144.20-253,781.10-166,487.40

Finding the Fourth Proportional to 169,144.20, 253,781.10 and 166,487.40

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Solution

The fourth proportional to 169,144.20, 253,781.10 and 166,487.40 is: 249,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,144.20 : 253,781.10 = 166,487.40 : x
  2. Step 2: Convert to fraction form
    169,144.20/253,781.10 = 166,487.40/x
  3. Step 3: Cross multiply
    169,144.20x = 253,781.10 × 166,487.40
  4. Step 4: Simplify right side
    169,144.20x = 42,251,355,508.14
  5. Step 5: Solve for x
    x = 42,251,355,508.14/169,144.20
  6. Step 6: Final answer
    x = 249,794.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.