Home / 126,353.52-174,367.84-72,649.04

Finding the Fourth Proportional to 126,353.52, 174,367.84 and 72,649.04

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Solution

The fourth proportional to 126,353.52, 174,367.84 and 72,649.04 is: 100,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,353.52 : 174,367.84 = 72,649.04 : x
  2. Step 2: Convert to fraction form
    126,353.52/174,367.84 = 72,649.04/x
  3. Step 3: Cross multiply
    126,353.52x = 174,367.84 × 72,649.04
  4. Step 4: Simplify right side
    126,353.52x = 12,667,656,182.87
  5. Step 5: Solve for x
    x = 12,667,656,182.87/126,353.52
  6. Step 6: Final answer
    x = 100,255.67

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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.