Home / 180,229.46-248,711.72-99,654.30

Finding the Fourth Proportional to 180,229.46, 248,711.72 and 99,654.30

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Solution

The fourth proportional to 180,229.46, 248,711.72 and 99,654.30 is: 137,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,229.46 : 248,711.72 = 99,654.30 : x
  2. Step 2: Convert to fraction form
    180,229.46/248,711.72 = 99,654.30/x
  3. Step 3: Cross multiply
    180,229.46x = 248,711.72 × 99,654.30
  4. Step 4: Simplify right side
    180,229.46x = 24,785,191,860.12
  5. Step 5: Solve for x
    x = 24,785,191,860.12/180,229.46
  6. Step 6: Final answer
    x = 137,520.21

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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.