Home / 150,393.38-207,542.86-89,966.57

Finding the Fourth Proportional to 150,393.38, 207,542.86 and 89,966.57

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Solution

The fourth proportional to 150,393.38, 207,542.86 and 89,966.57 is: 124,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,393.38 : 207,542.86 = 89,966.57 : x
  2. Step 2: Convert to fraction form
    150,393.38/207,542.86 = 89,966.57/x
  3. Step 3: Cross multiply
    150,393.38x = 207,542.86 × 89,966.57
  4. Step 4: Simplify right side
    150,393.38x = 18,671,917,979.56
  5. Step 5: Solve for x
    x = 18,671,917,979.56/150,393.38
  6. Step 6: Final answer
    x = 124,153.86

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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.