Home / 239,720.69-359,620.04-89,972.75

Finding the Fourth Proportional to 239,720.69, 359,620.04 and 89,972.75

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Solution

The fourth proportional to 239,720.69, 359,620.04 and 89,972.75 is: 134,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,720.69 : 359,620.04 = 89,972.75 : x
  2. Step 2: Convert to fraction form
    239,720.69/359,620.04 = 89,972.75/x
  3. Step 3: Cross multiply
    239,720.69x = 359,620.04 × 89,972.75
  4. Step 4: Simplify right side
    239,720.69x = 32,356,002,380.74
  5. Step 5: Solve for x
    x = 32,356,002,380.74/239,720.69
  6. Step 6: Final answer
    x = 134,973.76

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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.