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Finding the Fourth Proportional to 159,060.13, 238,583.96 and 53,879.10

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Solution

The fourth proportional to 159,060.13, 238,583.96 and 53,879.10 is: 80,816.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,060.13 : 238,583.96 = 53,879.10 : x
  2. Step 2: Convert to fraction form
    159,060.13/238,583.96 = 53,879.10/x
  3. Step 3: Cross multiply
    159,060.13x = 238,583.96 × 53,879.10
  4. Step 4: Simplify right side
    159,060.13x = 12,854,687,846.32
  5. Step 5: Solve for x
    x = 12,854,687,846.32/159,060.13
  6. Step 6: Final answer
    x = 80,816.53

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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.