Home / 126,809.28-175,035.60-73,130.04

Finding the Fourth Proportional to 126,809.28, 175,035.60 and 73,130.04

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Solution

The fourth proportional to 126,809.28, 175,035.60 and 73,130.04 is: 100,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,809.28 : 175,035.60 = 73,130.04 : x
  2. Step 2: Convert to fraction form
    126,809.28/175,035.60 = 73,130.04/x
  3. Step 3: Cross multiply
    126,809.28x = 175,035.60 × 73,130.04
  4. Step 4: Simplify right side
    126,809.28x = 12,800,360,429.42
  5. Step 5: Solve for x
    x = 12,800,360,429.42/126,809.28
  6. Step 6: Final answer
    x = 100,941.83

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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.