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Finding the Fourth Proportional to 159,424.60, 239,136.90 and 109,658.20

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Solution

The fourth proportional to 159,424.60, 239,136.90 and 109,658.20 is: 164,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,424.60 : 239,136.90 = 109,658.20 : x
  2. Step 2: Convert to fraction form
    159,424.60/239,136.90 = 109,658.20/x
  3. Step 3: Cross multiply
    159,424.60x = 239,136.90 × 109,658.20
  4. Step 4: Simplify right side
    159,424.60x = 26,223,322,007.58
  5. Step 5: Solve for x
    x = 26,223,322,007.58/159,424.60
  6. Step 6: Final answer
    x = 164,487.30

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1.5x scale

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.