Home / 187,016.60-258,083.84-102,133.66

Finding the Fourth Proportional to 187,016.60, 258,083.84 and 102,133.66

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Solution

The fourth proportional to 187,016.60, 258,083.84 and 102,133.66 is: 140,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,016.60 : 258,083.84 = 102,133.66 : x
  2. Step 2: Convert to fraction form
    187,016.60/258,083.84 = 102,133.66/x
  3. Step 3: Cross multiply
    187,016.60x = 258,083.84 × 102,133.66
  4. Step 4: Simplify right side
    187,016.60x = 26,359,047,166.05
  5. Step 5: Solve for x
    x = 26,359,047,166.05/187,016.60
  6. Step 6: Final answer
    x = 140,944.96

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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.