Home / 206,160.03-284,496.03-121,282.56

Finding the Fourth Proportional to 206,160.03, 284,496.03 and 121,282.56

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Solution

The fourth proportional to 206,160.03, 284,496.03 and 121,282.56 is: 167,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,160.03 : 284,496.03 = 121,282.56 : x
  2. Step 2: Convert to fraction form
    206,160.03/284,496.03 = 121,282.56/x
  3. Step 3: Cross multiply
    206,160.03x = 284,496.03 × 121,282.56
  4. Step 4: Simplify right side
    206,160.03x = 34,504,406,828.24
  5. Step 5: Solve for x
    x = 34,504,406,828.24/206,160.03
  6. Step 6: Final answer
    x = 167,367.10

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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.