Home / 129,150.50-193,733.96-34,379.15

Finding the Fourth Proportional to 129,150.50, 193,733.96 and 34,379.15

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Solution

The fourth proportional to 129,150.50, 193,733.96 and 34,379.15 is: 51,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,150.50 : 193,733.96 = 34,379.15 : x
  2. Step 2: Convert to fraction form
    129,150.50/193,733.96 = 34,379.15/x
  3. Step 3: Cross multiply
    129,150.50x = 193,733.96 × 34,379.15
  4. Step 4: Simplify right side
    129,150.50x = 6,660,407,730.37
  5. Step 5: Solve for x
    x = 6,660,407,730.37/129,150.50
  6. Step 6: Final answer
    x = 51,570.90

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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.