Home / 126,840.20-175,041.94-73,116.20

Finding the Fourth Proportional to 126,840.20, 175,041.94 and 73,116.20

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Solution

The fourth proportional to 126,840.20, 175,041.94 and 73,116.20 is: 100,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,840.20 : 175,041.94 = 73,116.20 : x
  2. Step 2: Convert to fraction form
    126,840.20/175,041.94 = 73,116.20/x
  3. Step 3: Cross multiply
    126,840.20x = 175,041.94 × 73,116.20
  4. Step 4: Simplify right side
    126,840.20x = 12,798,401,493.43
  5. Step 5: Solve for x
    x = 12,798,401,493.43/126,840.20
  6. Step 6: Final answer
    x = 100,901.78

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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.