Home / 206,378.42-284,805.33-120,335.06

Finding the Fourth Proportional to 206,378.42, 284,805.33 and 120,335.06

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Solution

The fourth proportional to 206,378.42, 284,805.33 and 120,335.06 is: 166,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,378.42 : 284,805.33 = 120,335.06 : x
  2. Step 2: Convert to fraction form
    206,378.42/284,805.33 = 120,335.06/x
  3. Step 3: Cross multiply
    206,378.42x = 284,805.33 × 120,335.06
  4. Step 4: Simplify right side
    206,378.42x = 34,272,066,473.87
  5. Step 5: Solve for x
    x = 34,272,066,473.87/206,378.42
  6. Step 6: Final answer
    x = 166,064.20

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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.