Home / 126,911.04-175,062.24-75,917.76

Finding the Fourth Proportional to 126,911.04, 175,062.24 and 75,917.76

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Solution

The fourth proportional to 126,911.04, 175,062.24 and 75,917.76 is: 104,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,911.04 : 175,062.24 = 75,917.76 : x
  2. Step 2: Convert to fraction form
    126,911.04/175,062.24 = 75,917.76/x
  3. Step 3: Cross multiply
    126,911.04x = 175,062.24 × 75,917.76
  4. Step 4: Simplify right side
    126,911.04x = 13,290,333,121.38
  5. Step 5: Solve for x
    x = 13,290,333,121.38/126,911.04
  6. Step 6: Final answer
    x = 104,721.65

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1.5x scale

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.