Home / 195,331.20-292,996.80-172,003.20

Finding the Fourth Proportional to 195,331.20, 292,996.80 and 172,003.20

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Solution

The fourth proportional to 195,331.20, 292,996.80 and 172,003.20 is: 258,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,331.20 : 292,996.80 = 172,003.20 : x
  2. Step 2: Convert to fraction form
    195,331.20/292,996.80 = 172,003.20/x
  3. Step 3: Cross multiply
    195,331.20x = 292,996.80 × 172,003.20
  4. Step 4: Simplify right side
    195,331.20x = 50,396,387,189.76
  5. Step 5: Solve for x
    x = 50,396,387,189.76/195,331.20
  6. Step 6: Final answer
    x = 258,004.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.