Home / 129,149.08-193,723.32-34,379.28

Finding the Fourth Proportional to 129,149.08, 193,723.32 and 34,379.28

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Solution

The fourth proportional to 129,149.08, 193,723.32 and 34,379.28 is: 51,568.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,149.08 : 193,723.32 = 34,379.28 : x
  2. Step 2: Convert to fraction form
    129,149.08/193,723.32 = 34,379.28/x
  3. Step 3: Cross multiply
    129,149.08x = 193,723.32 × 34,379.28
  4. Step 4: Simplify right side
    129,149.08x = 6,660,068,260.81
  5. Step 5: Solve for x
    x = 6,660,068,260.81/129,149.08
  6. Step 6: Final answer
    x = 51,568.84

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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.