Home / 187,217.12-258,359.32-106,644.60

Finding the Fourth Proportional to 187,217.12, 258,359.32 and 106,644.60

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Solution

The fourth proportional to 187,217.12, 258,359.32 and 106,644.60 is: 147,169.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,217.12 : 258,359.32 = 106,644.60 : x
  2. Step 2: Convert to fraction form
    187,217.12/258,359.32 = 106,644.60/x
  3. Step 3: Cross multiply
    187,217.12x = 258,359.32 × 106,644.60
  4. Step 4: Simplify right side
    187,217.12x = 27,552,626,470.98
  5. Step 5: Solve for x
    x = 27,552,626,470.98/187,217.12
  6. Step 6: Final answer
    x = 147,169.37

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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.