Home / 129,645.14-194,463.99-70,853.18

Finding the Fourth Proportional to 129,645.14, 194,463.99 and 70,853.18

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Solution

The fourth proportional to 129,645.14, 194,463.99 and 70,853.18 is: 106,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,645.14 : 194,463.99 = 70,853.18 : x
  2. Step 2: Convert to fraction form
    129,645.14/194,463.99 = 70,853.18/x
  3. Step 3: Cross multiply
    129,645.14x = 194,463.99 × 70,853.18
  4. Step 4: Simplify right side
    129,645.14x = 13,778,391,114.67
  5. Step 5: Solve for x
    x = 13,778,391,114.67/129,645.14
  6. Step 6: Final answer
    x = 106,277.73

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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.