Home / 129,347.18-193,958.24-45,105.33

Finding the Fourth Proportional to 129,347.18, 193,958.24 and 45,105.33

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Solution

The fourth proportional to 129,347.18, 193,958.24 and 45,105.33 is: 67,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,347.18 : 193,958.24 = 45,105.33 : x
  2. Step 2: Convert to fraction form
    129,347.18/193,958.24 = 45,105.33/x
  3. Step 3: Cross multiply
    129,347.18x = 193,958.24 × 45,105.33
  4. Step 4: Simplify right side
    129,347.18x = 8,748,550,195.89
  5. Step 5: Solve for x
    x = 8,748,550,195.89/129,347.18
  6. Step 6: Final answer
    x = 67,636.19

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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.