Home / 198,730.20-297,719.80-117,434.73

Finding the Fourth Proportional to 198,730.20, 297,719.80 and 117,434.73

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Solution

The fourth proportional to 198,730.20, 297,719.80 and 117,434.73 is: 175,930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,730.20 : 297,719.80 = 117,434.73 : x
  2. Step 2: Convert to fraction form
    198,730.20/297,719.80 = 117,434.73/x
  3. Step 3: Cross multiply
    198,730.20x = 297,719.80 × 117,434.73
  4. Step 4: Simplify right side
    198,730.20x = 34,962,642,252.88
  5. Step 5: Solve for x
    x = 34,962,642,252.88/198,730.20
  6. Step 6: Final answer
    x = 175,930.19

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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.