Home / 150,470.60-207,651.78-90,043.79

Finding the Fourth Proportional to 150,470.60, 207,651.78 and 90,043.79

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Solution

The fourth proportional to 150,470.60, 207,651.78 and 90,043.79 is: 124,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,470.60 : 207,651.78 = 90,043.79 : x
  2. Step 2: Convert to fraction form
    150,470.60/207,651.78 = 90,043.79/x
  3. Step 3: Cross multiply
    150,470.60x = 207,651.78 × 90,043.79
  4. Step 4: Simplify right side
    150,470.60x = 18,697,752,233.19
  5. Step 5: Solve for x
    x = 18,697,752,233.19/150,470.60
  6. Step 6: Final answer
    x = 124,261.83

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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.