Home / 129,668.42-194,169.18-104,248.46

Finding the Fourth Proportional to 129,668.42, 194,169.18 and 104,248.46

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Solution

The fourth proportional to 129,668.42, 194,169.18 and 104,248.46 is: 156,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,668.42 : 194,169.18 = 104,248.46 : x
  2. Step 2: Convert to fraction form
    129,668.42/194,169.18 = 104,248.46/x
  3. Step 3: Cross multiply
    129,668.42x = 194,169.18 × 104,248.46
  4. Step 4: Simplify right side
    129,668.42x = 20,241,837,994.46
  5. Step 5: Solve for x
    x = 20,241,837,994.46/129,668.42
  6. Step 6: Final answer
    x = 156,104.61

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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.