Home / 126,835.20-175,035.04-73,111.20

Finding the Fourth Proportional to 126,835.20, 175,035.04 and 73,111.20

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Solution

The fourth proportional to 126,835.20, 175,035.04 and 73,111.20 is: 100,894.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,835.20 : 175,035.04 = 73,111.20 : x
  2. Step 2: Convert to fraction form
    126,835.20/175,035.04 = 73,111.20/x
  3. Step 3: Cross multiply
    126,835.20x = 175,035.04 × 73,111.20
  4. Step 4: Simplify right side
    126,835.20x = 12,797,021,816.45
  5. Step 5: Solve for x
    x = 12,797,021,816.45/126,835.20
  6. Step 6: Final answer
    x = 100,894.88

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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.