Home / 68,229.03-102,377.16-30,815.13

Finding the Fourth Proportional to 68,229.03, 102,377.16 and 30,815.13

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Solution

The fourth proportional to 68,229.03, 102,377.16 and 30,815.13 is: 46,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,229.03 : 102,377.16 = 30,815.13 : x
  2. Step 2: Convert to fraction form
    68,229.03/102,377.16 = 30,815.13/x
  3. Step 3: Cross multiply
    68,229.03x = 102,377.16 × 30,815.13
  4. Step 4: Simplify right side
    68,229.03x = 3,154,765,494.43
  5. Step 5: Solve for x
    x = 3,154,765,494.43/68,229.03
  6. Step 6: Final answer
    x = 46,237.88

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1.5x scale

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.