Home / 159,171.48-238,537.98-80,337.96

Finding the Fourth Proportional to 159,171.48, 238,537.98 and 80,337.96

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Solution

The fourth proportional to 159,171.48, 238,537.98 and 80,337.96 is: 120,396.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,171.48 : 238,537.98 = 80,337.96 : x
  2. Step 2: Convert to fraction form
    159,171.48/238,537.98 = 80,337.96/x
  3. Step 3: Cross multiply
    159,171.48x = 238,537.98 × 80,337.96
  4. Step 4: Simplify right side
    159,171.48x = 19,163,654,695.72
  5. Step 5: Solve for x
    x = 19,163,654,695.72/159,171.48
  6. Step 6: Final answer
    x = 120,396.28

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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.