Home / 232,122.20-320,333.48-131,520.20

Finding the Fourth Proportional to 232,122.20, 320,333.48 and 131,520.20

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Solution

The fourth proportional to 232,122.20, 320,333.48 and 131,520.20 is: 181,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,122.20 : 320,333.48 = 131,520.20 : x
  2. Step 2: Convert to fraction form
    232,122.20/320,333.48 = 131,520.20/x
  3. Step 3: Cross multiply
    232,122.20x = 320,333.48 × 131,520.20
  4. Step 4: Simplify right side
    232,122.20x = 42,130,321,097.03
  5. Step 5: Solve for x
    x = 42,130,321,097.03/232,122.20
  6. Step 6: Final answer
    x = 181,500.61

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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.