Home / 129,114.48-193,671.30-34,344.54

Finding the Fourth Proportional to 129,114.48, 193,671.30 and 34,344.54

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Solution

The fourth proportional to 129,114.48, 193,671.30 and 34,344.54 is: 51,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,114.48 : 193,671.30 = 34,344.54 : x
  2. Step 2: Convert to fraction form
    129,114.48/193,671.30 = 34,344.54/x
  3. Step 3: Cross multiply
    129,114.48x = 193,671.30 × 34,344.54
  4. Step 4: Simplify right side
    129,114.48x = 6,651,551,709.70
  5. Step 5: Solve for x
    x = 6,651,551,709.70/129,114.48
  6. Step 6: Final answer
    x = 51,516.70

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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.