Home / 129,772.85-194,666.22-122,673.20

Finding the Fourth Proportional to 129,772.85, 194,666.22 and 122,673.20

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Solution

The fourth proportional to 129,772.85, 194,666.22 and 122,673.20 is: 184,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,772.85 : 194,666.22 = 122,673.20 : x
  2. Step 2: Convert to fraction form
    129,772.85/194,666.22 = 122,673.20/x
  3. Step 3: Cross multiply
    129,772.85x = 194,666.22 × 122,673.20
  4. Step 4: Simplify right side
    129,772.85x = 23,880,327,165.97
  5. Step 5: Solve for x
    x = 23,880,327,165.97/129,772.85
  6. Step 6: Final answer
    x = 184,016.36

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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.