Home / 129,958.48-179,344.20-76,244.44

Finding the Fourth Proportional to 129,958.48, 179,344.20 and 76,244.44

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Solution

The fourth proportional to 129,958.48, 179,344.20 and 76,244.44 is: 105,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,958.48 : 179,344.20 = 76,244.44 : x
  2. Step 2: Convert to fraction form
    129,958.48/179,344.20 = 76,244.44/x
  3. Step 3: Cross multiply
    129,958.48x = 179,344.20 × 76,244.44
  4. Step 4: Simplify right side
    129,958.48x = 13,673,998,096.25
  5. Step 5: Solve for x
    x = 13,673,998,096.25/129,958.48
  6. Step 6: Final answer
    x = 105,218.21

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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.