Home / 220,605.12-331,075.20-161,593.92

Finding the Fourth Proportional to 220,605.12, 331,075.20 and 161,593.92

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Solution

The fourth proportional to 220,605.12, 331,075.20 and 161,593.92 is: 242,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,605.12 : 331,075.20 = 161,593.92 : x
  2. Step 2: Convert to fraction form
    220,605.12/331,075.20 = 161,593.92/x
  3. Step 3: Cross multiply
    220,605.12x = 331,075.20 × 161,593.92
  4. Step 4: Simplify right side
    220,605.12x = 53,499,739,382.78
  5. Step 5: Solve for x
    x = 53,499,739,382.78/220,605.12
  6. Step 6: Final answer
    x = 242,513.59

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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.