Home / 159,207.20-239,329.20-112,781.60

Finding the Fourth Proportional to 159,207.20, 239,329.20 and 112,781.60

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Solution

The fourth proportional to 159,207.20, 239,329.20 and 112,781.60 is: 169,539.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,207.20 : 239,329.20 = 112,781.60 : x
  2. Step 2: Convert to fraction form
    159,207.20/239,329.20 = 112,781.60/x
  3. Step 3: Cross multiply
    159,207.20x = 239,329.20 × 112,781.60
  4. Step 4: Simplify right side
    159,207.20x = 26,991,930,102.72
  5. Step 5: Solve for x
    x = 26,991,930,102.72/159,207.20
  6. Step 6: Final answer
    x = 169,539.63

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1.5x scale

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.