Home / 126,901.22-175,142.05-73,175.54

Finding the Fourth Proportional to 126,901.22, 175,142.05 and 73,175.54

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Solution

The fourth proportional to 126,901.22, 175,142.05 and 73,175.54 is: 100,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,901.22 : 175,142.05 = 73,175.54 : x
  2. Step 2: Convert to fraction form
    126,901.22/175,142.05 = 73,175.54/x
  3. Step 3: Cross multiply
    126,901.22x = 175,142.05 × 73,175.54
  4. Step 4: Simplify right side
    126,901.22x = 12,816,113,026.81
  5. Step 5: Solve for x
    x = 12,816,113,026.81/126,901.22
  6. Step 6: Final answer
    x = 100,992.83

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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.