Home / 187,090.97-258,181.53-106,517.33

Finding the Fourth Proportional to 187,090.97, 258,181.53 and 106,517.33

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Solution

The fourth proportional to 187,090.97, 258,181.53 and 106,517.33 is: 146,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,090.97 : 258,181.53 = 106,517.33 : x
  2. Step 2: Convert to fraction form
    187,090.97/258,181.53 = 106,517.33/x
  3. Step 3: Cross multiply
    187,090.97x = 258,181.53 × 106,517.33
  4. Step 4: Simplify right side
    187,090.97x = 27,500,806,508.75
  5. Step 5: Solve for x
    x = 27,500,806,508.75/187,090.97
  6. Step 6: Final answer
    x = 146,991.63

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1.5x scale

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.