Home / 129,159.92-193,828.05-44,919.25

Finding the Fourth Proportional to 129,159.92, 193,828.05 and 44,919.25

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Solution

The fourth proportional to 129,159.92, 193,828.05 and 44,919.25 is: 67,409.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,159.92 : 193,828.05 = 44,919.25 : x
  2. Step 2: Convert to fraction form
    129,159.92/193,828.05 = 44,919.25/x
  3. Step 3: Cross multiply
    129,159.92x = 193,828.05 × 44,919.25
  4. Step 4: Simplify right side
    129,159.92x = 8,706,610,634.96
  5. Step 5: Solve for x
    x = 8,706,610,634.96/129,159.92
  6. Step 6: Final answer
    x = 67,409.54

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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.