Home / 240,019.12-359,634.20-82,161.46

Finding the Fourth Proportional to 240,019.12, 359,634.20 and 82,161.46

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Solution

The fourth proportional to 240,019.12, 359,634.20 and 82,161.46 is: 123,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,019.12 : 359,634.20 = 82,161.46 : x
  2. Step 2: Convert to fraction form
    240,019.12/359,634.20 = 82,161.46/x
  3. Step 3: Cross multiply
    240,019.12x = 359,634.20 × 82,161.46
  4. Step 4: Simplify right side
    240,019.12x = 29,548,070,937.93
  5. Step 5: Solve for x
    x = 29,548,070,937.93/240,019.12
  6. Step 6: Final answer
    x = 123,107.15

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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.