Home / 106,174.20-146,493.90-68,403

Finding the Fourth Proportional to 106,174.20, 146,493.90 and 68,403

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Solution

The fourth proportional to 106,174.20, 146,493.90 and 68,403 is: 94,379.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,174.20 : 146,493.90 = 68,403 : x
  2. Step 2: Convert to fraction form
    106,174.20/146,493.90 = 68,403/x
  3. Step 3: Cross multiply
    106,174.20x = 146,493.90 × 68,403
  4. Step 4: Simplify right side
    106,174.20x = 10,020,622,241.70
  5. Step 5: Solve for x
    x = 10,020,622,241.70/106,174.20
  6. Step 6: Final answer
    x = 94,379.07

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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.