Home / 126,300.13-174,289.83-75,286.55

Finding the Fourth Proportional to 126,300.13, 174,289.83 and 75,286.55

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Solution

The fourth proportional to 126,300.13, 174,289.83 and 75,286.55 is: 103,892.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,300.13 : 174,289.83 = 75,286.55 : x
  2. Step 2: Convert to fraction form
    126,300.13/174,289.83 = 75,286.55/x
  3. Step 3: Cross multiply
    126,300.13x = 174,289.83 × 75,286.55
  4. Step 4: Simplify right side
    126,300.13x = 13,121,680,000.79
  5. Step 5: Solve for x
    x = 13,121,680,000.79/126,300.13
  6. Step 6: Final answer
    x = 103,892.85

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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.