Home / 206,149.42-284,521.71-121,270.06

Finding the Fourth Proportional to 206,149.42, 284,521.71 and 121,270.06

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Solution

The fourth proportional to 206,149.42, 284,521.71 and 121,270.06 is: 167,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,149.42 : 284,521.71 = 121,270.06 : x
  2. Step 2: Convert to fraction form
    206,149.42/284,521.71 = 121,270.06/x
  3. Step 3: Cross multiply
    206,149.42x = 284,521.71 × 121,270.06
  4. Step 4: Simplify right side
    206,149.42x = 34,503,964,843.00
  5. Step 5: Solve for x
    x = 34,503,964,843.00/206,149.42
  6. Step 6: Final answer
    x = 167,373.57

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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.