Home / 129,375.20-194,062.80-94,383.20

Finding the Fourth Proportional to 129,375.20, 194,062.80 and 94,383.20

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Solution

The fourth proportional to 129,375.20, 194,062.80 and 94,383.20 is: 141,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,375.20 : 194,062.80 = 94,383.20 : x
  2. Step 2: Convert to fraction form
    129,375.20/194,062.80 = 94,383.20/x
  3. Step 3: Cross multiply
    129,375.20x = 194,062.80 × 94,383.20
  4. Step 4: Simplify right side
    129,375.20x = 18,316,268,064.96
  5. Step 5: Solve for x
    x = 18,316,268,064.96/129,375.20
  6. Step 6: Final answer
    x = 141,574.80

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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.