Home / 159,188.90-238,446.38-109,033.70

Finding the Fourth Proportional to 159,188.90, 238,446.38 and 109,033.70

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Solution

The fourth proportional to 159,188.90, 238,446.38 and 109,033.70 is: 163,319.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,188.90 : 238,446.38 = 109,033.70 : x
  2. Step 2: Convert to fraction form
    159,188.90/238,446.38 = 109,033.70/x
  3. Step 3: Cross multiply
    159,188.90x = 238,446.38 × 109,033.70
  4. Step 4: Simplify right side
    159,188.90x = 25,998,690,143.36
  5. Step 5: Solve for x
    x = 25,998,690,143.36/159,188.90
  6. Step 6: Final answer
    x = 163,319.75

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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.