Home / 169,731.22-234,035.85-108,394.78

Finding the Fourth Proportional to 169,731.22, 234,035.85 and 108,394.78

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Solution

The fourth proportional to 169,731.22, 234,035.85 and 108,394.78 is: 149,461.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,731.22 : 234,035.85 = 108,394.78 : x
  2. Step 2: Convert to fraction form
    169,731.22/234,035.85 = 108,394.78/x
  3. Step 3: Cross multiply
    169,731.22x = 234,035.85 × 108,394.78
  4. Step 4: Simplify right side
    169,731.22x = 25,368,264,472.86
  5. Step 5: Solve for x
    x = 25,368,264,472.86/169,731.22
  6. Step 6: Final answer
    x = 149,461.39

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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.