Home / 206,827.24-310,223.58-82,134.76

Finding the Fourth Proportional to 206,827.24, 310,223.58 and 82,134.76

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Solution

The fourth proportional to 206,827.24, 310,223.58 and 82,134.76 is: 123,195.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,827.24 : 310,223.58 = 82,134.76 : x
  2. Step 2: Convert to fraction form
    206,827.24/310,223.58 = 82,134.76/x
  3. Step 3: Cross multiply
    206,827.24x = 310,223.58 × 82,134.76
  4. Step 4: Simplify right side
    206,827.24x = 25,480,139,289.64
  5. Step 5: Solve for x
    x = 25,480,139,289.64/206,827.24
  6. Step 6: Final answer
    x = 123,195.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.