Home / 159,540.90-239,238.18-54,317.04

Finding the Fourth Proportional to 159,540.90, 239,238.18 and 54,317.04

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Solution

The fourth proportional to 159,540.90, 239,238.18 and 54,317.04 is: 81,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,540.90 : 239,238.18 = 54,317.04 : x
  2. Step 2: Convert to fraction form
    159,540.90/239,238.18 = 54,317.04/x
  3. Step 3: Cross multiply
    159,540.90x = 239,238.18 × 54,317.04
  4. Step 4: Simplify right side
    159,540.90x = 12,994,709,792.59
  5. Step 5: Solve for x
    x = 12,994,709,792.59/159,540.90
  6. Step 6: Final answer
    x = 81,450.65

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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.