Home / 126,919.60-175,144.16-73,214.20

Finding the Fourth Proportional to 126,919.60, 175,144.16 and 73,214.20

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Solution

The fourth proportional to 126,919.60, 175,144.16 and 73,214.20 is: 101,032.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,919.60 : 175,144.16 = 73,214.20 : x
  2. Step 2: Convert to fraction form
    126,919.60/175,144.16 = 73,214.20/x
  3. Step 3: Cross multiply
    126,919.60x = 175,144.16 × 73,214.20
  4. Step 4: Simplify right side
    126,919.60x = 12,823,039,559.07
  5. Step 5: Solve for x
    x = 12,823,039,559.07/126,919.60
  6. Step 6: Final answer
    x = 101,032.78

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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.