Home / 126,789.19-174,974.55-70,200.56

Finding the Fourth Proportional to 126,789.19, 174,974.55 and 70,200.56

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Solution

The fourth proportional to 126,789.19, 174,974.55 and 70,200.56 is: 96,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,789.19 : 174,974.55 = 70,200.56 : x
  2. Step 2: Convert to fraction form
    126,789.19/174,974.55 = 70,200.56/x
  3. Step 3: Cross multiply
    126,789.19x = 174,974.55 × 70,200.56
  4. Step 4: Simplify right side
    126,789.19x = 12,283,311,569.93
  5. Step 5: Solve for x
    x = 12,283,311,569.93/126,789.19
  6. Step 6: Final answer
    x = 96,879.80

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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.