Home / 224,945.20-310,414.92-129,455.20

Finding the Fourth Proportional to 224,945.20, 310,414.92 and 129,455.20

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Solution

The fourth proportional to 224,945.20, 310,414.92 and 129,455.20 is: 178,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,945.20 : 310,414.92 = 129,455.20 : x
  2. Step 2: Convert to fraction form
    224,945.20/310,414.92 = 129,455.20/x
  3. Step 3: Cross multiply
    224,945.20x = 310,414.92 × 129,455.20
  4. Step 4: Simplify right side
    224,945.20x = 40,184,825,551.58
  5. Step 5: Solve for x
    x = 40,184,825,551.58/224,945.20
  6. Step 6: Final answer
    x = 178,642.73

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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.