Home / 129,618.48-194,421.24-50,747.16

Finding the Fourth Proportional to 129,618.48, 194,421.24 and 50,747.16

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Solution

The fourth proportional to 129,618.48, 194,421.24 and 50,747.16 is: 76,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,618.48 : 194,421.24 = 50,747.16 : x
  2. Step 2: Convert to fraction form
    129,618.48/194,421.24 = 50,747.16/x
  3. Step 3: Cross multiply
    129,618.48x = 194,421.24 × 50,747.16
  4. Step 4: Simplify right side
    129,618.48x = 9,866,325,773.68
  5. Step 5: Solve for x
    x = 9,866,325,773.68/129,618.48
  6. Step 6: Final answer
    x = 76,118.20

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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.