Home / 159,285.20-238,964.72-54,104.24

Finding the Fourth Proportional to 159,285.20, 238,964.72 and 54,104.24

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Solution

The fourth proportional to 159,285.20, 238,964.72 and 54,104.24 is: 81,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,285.20 : 238,964.72 = 54,104.24 : x
  2. Step 2: Convert to fraction form
    159,285.20/238,964.72 = 54,104.24/x
  3. Step 3: Cross multiply
    159,285.20x = 238,964.72 × 54,104.24
  4. Step 4: Simplify right side
    159,285.20x = 12,929,004,562.41
  5. Step 5: Solve for x
    x = 12,929,004,562.41/159,285.20
  6. Step 6: Final answer
    x = 81,168.90

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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.