Home / 150,162.93-207,218.79-89,766.90

Finding the Fourth Proportional to 150,162.93, 207,218.79 and 89,766.90

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Solution

The fourth proportional to 150,162.93, 207,218.79 and 89,766.90 is: 123,874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,162.93 : 207,218.79 = 89,766.90 : x
  2. Step 2: Convert to fraction form
    150,162.93/207,218.79 = 89,766.90/x
  3. Step 3: Cross multiply
    150,162.93x = 207,218.79 × 89,766.90
  4. Step 4: Simplify right side
    150,162.93x = 18,601,388,400.05
  5. Step 5: Solve for x
    x = 18,601,388,400.05/150,162.93
  6. Step 6: Final answer
    x = 123,874.70

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1.5x scale

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.