Home / 252,019.28-347,785.80-138,841.04

Finding the Fourth Proportional to 252,019.28, 347,785.80 and 138,841.04

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Solution

The fourth proportional to 252,019.28, 347,785.80 and 138,841.04 is: 191,600.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,019.28 : 347,785.80 = 138,841.04 : x
  2. Step 2: Convert to fraction form
    252,019.28/347,785.80 = 138,841.04/x
  3. Step 3: Cross multiply
    252,019.28x = 347,785.80 × 138,841.04
  4. Step 4: Simplify right side
    252,019.28x = 48,286,942,169.23
  5. Step 5: Solve for x
    x = 48,286,942,169.23/252,019.28
  6. Step 6: Final answer
    x = 191,600.19

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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.