Home / 149,308.20-205,972.74-95,550.12

Finding the Fourth Proportional to 149,308.20, 205,972.74 and 95,550.12

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Solution

The fourth proportional to 149,308.20, 205,972.74 and 95,550.12 is: 131,812.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,308.20 : 205,972.74 = 95,550.12 : x
  2. Step 2: Convert to fraction form
    149,308.20/205,972.74 = 95,550.12/x
  3. Step 3: Cross multiply
    149,308.20x = 205,972.74 × 95,550.12
  4. Step 4: Simplify right side
    149,308.20x = 19,680,720,023.73
  5. Step 5: Solve for x
    x = 19,680,720,023.73/149,308.20
  6. Step 6: Final answer
    x = 131,812.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.