Home / 126,302.20-174,331.38-72,592.72

Finding the Fourth Proportional to 126,302.20, 174,331.38 and 72,592.72

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Solution

The fourth proportional to 126,302.20, 174,331.38 and 72,592.72 is: 100,197.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,302.20 : 174,331.38 = 72,592.72 : x
  2. Step 2: Convert to fraction form
    126,302.20/174,331.38 = 72,592.72/x
  3. Step 3: Cross multiply
    126,302.20x = 174,331.38 × 72,592.72
  4. Step 4: Simplify right side
    126,302.20x = 12,655,189,055.55
  5. Step 5: Solve for x
    x = 12,655,189,055.55/126,302.20
  6. Step 6: Final answer
    x = 100,197.69

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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.