Home / 126,789.76-174,940.32-75,819.04

Finding the Fourth Proportional to 126,789.76, 174,940.32 and 75,819.04

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Solution

The fourth proportional to 126,789.76, 174,940.32 and 75,819.04 is: 104,612.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,789.76 : 174,940.32 = 75,819.04 : x
  2. Step 2: Convert to fraction form
    126,789.76/174,940.32 = 75,819.04/x
  3. Step 3: Cross multiply
    126,789.76x = 174,940.32 × 75,819.04
  4. Step 4: Simplify right side
    126,789.76x = 13,263,807,119.69
  5. Step 5: Solve for x
    x = 13,263,807,119.69/126,789.76
  6. Step 6: Final answer
    x = 104,612.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.