Home / 121,450.20-182,175.30-88,013.40

Finding the Fourth Proportional to 121,450.20, 182,175.30 and 88,013.40

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Solution

The fourth proportional to 121,450.20, 182,175.30 and 88,013.40 is: 132,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,450.20 : 182,175.30 = 88,013.40 : x
  2. Step 2: Convert to fraction form
    121,450.20/182,175.30 = 88,013.40/x
  3. Step 3: Cross multiply
    121,450.20x = 182,175.30 × 88,013.40
  4. Step 4: Simplify right side
    121,450.20x = 16,033,867,549.02
  5. Step 5: Solve for x
    x = 16,033,867,549.02/121,450.20
  6. Step 6: Final answer
    x = 132,020.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.