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Finding the Fourth Proportional to 159,493.60, 239,240.40 and 109,727.20

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Solution

The fourth proportional to 159,493.60, 239,240.40 and 109,727.20 is: 164,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,493.60 : 239,240.40 = 109,727.20 : x
  2. Step 2: Convert to fraction form
    159,493.60/239,240.40 = 109,727.20/x
  3. Step 3: Cross multiply
    159,493.60x = 239,240.40 × 109,727.20
  4. Step 4: Simplify right side
    159,493.60x = 26,251,179,218.88
  5. Step 5: Solve for x
    x = 26,251,179,218.88/159,493.60
  6. Step 6: Final answer
    x = 164,590.80

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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.