Home / 206,423.60-284,890.92-121,548.56

Finding the Fourth Proportional to 206,423.60, 284,890.92 and 121,548.56

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Solution

The fourth proportional to 206,423.60, 284,890.92 and 121,548.56 is: 167,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,423.60 : 284,890.92 = 121,548.56 : x
  2. Step 2: Convert to fraction form
    206,423.60/284,890.92 = 121,548.56/x
  3. Step 3: Cross multiply
    206,423.60x = 284,890.92 × 121,548.56
  4. Step 4: Simplify right side
    206,423.60x = 34,628,081,083.08
  5. Step 5: Solve for x
    x = 34,628,081,083.08/206,423.60
  6. Step 6: Final answer
    x = 167,752.53

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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.