Home / 239,729.20-359,594.04-81,958.96

Finding the Fourth Proportional to 239,729.20, 359,594.04 and 81,958.96

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Solution

The fourth proportional to 239,729.20, 359,594.04 and 81,958.96 is: 122,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,729.20 : 359,594.04 = 81,958.96 : x
  2. Step 2: Convert to fraction form
    239,729.20/359,594.04 = 81,958.96/x
  3. Step 3: Cross multiply
    239,729.20x = 359,594.04 × 81,958.96
  4. Step 4: Simplify right side
    239,729.20x = 29,471,953,540.60
  5. Step 5: Solve for x
    x = 29,471,953,540.60/239,729.20
  6. Step 6: Final answer
    x = 122,938.52

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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.