Home / 230,974.10-318,841.43-140,359.17

Finding the Fourth Proportional to 230,974.10, 318,841.43 and 140,359.17

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Solution

The fourth proportional to 230,974.10, 318,841.43 and 140,359.17 is: 193,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,974.10 : 318,841.43 = 140,359.17 : x
  2. Step 2: Convert to fraction form
    230,974.10/318,841.43 = 140,359.17/x
  3. Step 3: Cross multiply
    230,974.10x = 318,841.43 × 140,359.17
  4. Step 4: Simplify right side
    230,974.10x = 44,752,317,774.62
  5. Step 5: Solve for x
    x = 44,752,317,774.62/230,974.10
  6. Step 6: Final answer
    x = 193,754.71

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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.