Home / 126,879.54-175,112.40-73,154.04

Finding the Fourth Proportional to 126,879.54, 175,112.40 and 73,154.04

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Solution

The fourth proportional to 126,879.54, 175,112.40 and 73,154.04 is: 100,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,879.54 : 175,112.40 = 73,154.04 : x
  2. Step 2: Convert to fraction form
    126,879.54/175,112.40 = 73,154.04/x
  3. Step 3: Cross multiply
    126,879.54x = 175,112.40 × 73,154.04
  4. Step 4: Simplify right side
    126,879.54x = 12,810,179,514.10
  5. Step 5: Solve for x
    x = 12,810,179,514.10/126,879.54
  6. Step 6: Final answer
    x = 100,963.32

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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.