Home / 126,917.27-175,225.44-81,673.86

Finding the Fourth Proportional to 126,917.27, 175,225.44 and 81,673.86

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Solution

The fourth proportional to 126,917.27, 175,225.44 and 81,673.86 is: 112,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,917.27 : 175,225.44 = 81,673.86 : x
  2. Step 2: Convert to fraction form
    126,917.27/175,225.44 = 81,673.86/x
  3. Step 3: Cross multiply
    126,917.27x = 175,225.44 × 81,673.86
  4. Step 4: Simplify right side
    126,917.27x = 14,311,338,055.00
  5. Step 5: Solve for x
    x = 14,311,338,055.00/126,917.27
  6. Step 6: Final answer
    x = 112,761.16

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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.