Home / 132,069.80-197,730.30-102,540.20

Finding the Fourth Proportional to 132,069.80, 197,730.30 and 102,540.20

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Solution

The fourth proportional to 132,069.80, 197,730.30 and 102,540.20 is: 153,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,069.80 : 197,730.30 = 102,540.20 : x
  2. Step 2: Convert to fraction form
    132,069.80/197,730.30 = 102,540.20/x
  3. Step 3: Cross multiply
    132,069.80x = 197,730.30 × 102,540.20
  4. Step 4: Simplify right side
    132,069.80x = 20,275,304,508.06
  5. Step 5: Solve for x
    x = 20,275,304,508.06/132,069.80
  6. Step 6: Final answer
    x = 153,519.61

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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.