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Finding the Fourth Proportional to 159,060.51, 238,584.52 and 53,879.47

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Solution

The fourth proportional to 159,060.51, 238,584.52 and 53,879.47 is: 80,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,060.51 : 238,584.52 = 53,879.47 : x
  2. Step 2: Convert to fraction form
    159,060.51/238,584.52 = 53,879.47/x
  3. Step 3: Cross multiply
    159,060.51x = 238,584.52 × 53,879.47
  4. Step 4: Simplify right side
    159,060.51x = 12,854,807,487.80
  5. Step 5: Solve for x
    x = 12,854,807,487.80/159,060.51
  6. Step 6: Final answer
    x = 80,817.09

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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.