Home / 150,403.78-207,557.25-89,976.94

Finding the Fourth Proportional to 150,403.78, 207,557.25 and 89,976.94

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Solution

The fourth proportional to 150,403.78, 207,557.25 and 89,976.94 is: 124,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,403.78 : 207,557.25 = 89,976.94 : x
  2. Step 2: Convert to fraction form
    150,403.78/207,557.25 = 89,976.94/x
  3. Step 3: Cross multiply
    150,403.78x = 207,557.25 × 89,976.94
  4. Step 4: Simplify right side
    150,403.78x = 18,675,366,229.82
  5. Step 5: Solve for x
    x = 18,675,366,229.82/150,403.78
  6. Step 6: Final answer
    x = 124,168.20

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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.