Home / 206,167.56-284,567.28-121,311.96

Finding the Fourth Proportional to 206,167.56, 284,567.28 and 121,311.96

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Solution

The fourth proportional to 206,167.56, 284,567.28 and 121,311.96 is: 167,443.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,167.56 : 284,567.28 = 121,311.96 : x
  2. Step 2: Convert to fraction form
    206,167.56/284,567.28 = 121,311.96/x
  3. Step 3: Cross multiply
    206,167.56x = 284,567.28 × 121,311.96
  4. Step 4: Simplify right side
    206,167.56x = 34,521,414,488.67
  5. Step 5: Solve for x
    x = 34,521,414,488.67/206,167.56
  6. Step 6: Final answer
    x = 167,443.48

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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.