Home / 129,741.96-179,044.18-70,125.96

Finding the Fourth Proportional to 129,741.96, 179,044.18 and 70,125.96

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Solution

The fourth proportional to 129,741.96, 179,044.18 and 70,125.96 is: 96,773.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,741.96 : 179,044.18 = 70,125.96 : x
  2. Step 2: Convert to fraction form
    129,741.96/179,044.18 = 70,125.96/x
  3. Step 3: Cross multiply
    129,741.96x = 179,044.18 × 70,125.96
  4. Step 4: Simplify right side
    129,741.96x = 12,555,645,004.91
  5. Step 5: Solve for x
    x = 12,555,645,004.91/129,741.96
  6. Step 6: Final answer
    x = 96,773.97

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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.