Home / 126,019.92-173,932.60-72,341.20

Finding the Fourth Proportional to 126,019.92, 173,932.60 and 72,341.20

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Solution

The fourth proportional to 126,019.92, 173,932.60 and 72,341.20 is: 99,845.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,019.92 : 173,932.60 = 72,341.20 : x
  2. Step 2: Convert to fraction form
    126,019.92/173,932.60 = 72,341.20/x
  3. Step 3: Cross multiply
    126,019.92x = 173,932.60 × 72,341.20
  4. Step 4: Simplify right side
    126,019.92x = 12,582,493,003.12
  5. Step 5: Solve for x
    x = 12,582,493,003.12/126,019.92
  6. Step 6: Final answer
    x = 99,845.27

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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.