Home / 206,399.95-284,832.38-120,418.04

Finding the Fourth Proportional to 206,399.95, 284,832.38 and 120,418.04

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Solution

The fourth proportional to 206,399.95, 284,832.38 and 120,418.04 is: 166,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,399.95 : 284,832.38 = 120,418.04 : x
  2. Step 2: Convert to fraction form
    206,399.95/284,832.38 = 120,418.04/x
  3. Step 3: Cross multiply
    206,399.95x = 284,832.38 × 120,418.04
  4. Step 4: Simplify right side
    206,399.95x = 34,298,957,941.26
  5. Step 5: Solve for x
    x = 34,298,957,941.26/206,399.95
  6. Step 6: Final answer
    x = 166,177.16

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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.