Home / 149,542.61-206,363.07-82,474.61

Finding the Fourth Proportional to 149,542.61, 206,363.07 and 82,474.61

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Solution

The fourth proportional to 149,542.61, 206,363.07 and 82,474.61 is: 113,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,542.61 : 206,363.07 = 82,474.61 : x
  2. Step 2: Convert to fraction form
    149,542.61/206,363.07 = 82,474.61/x
  3. Step 3: Cross multiply
    149,542.61x = 206,363.07 × 82,474.61
  4. Step 4: Simplify right side
    149,542.61x = 17,019,712,684.84
  5. Step 5: Solve for x
    x = 17,019,712,684.84/149,542.61
  6. Step 6: Final answer
    x = 113,811.80

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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.