Home / 129,708.10-194,562.87-36,214.66

Finding the Fourth Proportional to 129,708.10, 194,562.87 and 36,214.66

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Solution

The fourth proportional to 129,708.10, 194,562.87 and 36,214.66 is: 54,322.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,708.10 : 194,562.87 = 36,214.66 : x
  2. Step 2: Convert to fraction form
    129,708.10/194,562.87 = 36,214.66/x
  3. Step 3: Cross multiply
    129,708.10x = 194,562.87 × 36,214.66
  4. Step 4: Simplify right side
    129,708.10x = 7,046,028,185.67
  5. Step 5: Solve for x
    x = 7,046,028,185.67/129,708.10
  6. Step 6: Final answer
    x = 54,322.19

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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.