Home / 187,313.97-258,493.17-102,431.04

Finding the Fourth Proportional to 187,313.97, 258,493.17 and 102,431.04

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Solution

The fourth proportional to 187,313.97, 258,493.17 and 102,431.04 is: 141,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,313.97 : 258,493.17 = 102,431.04 : x
  2. Step 2: Convert to fraction form
    187,313.97/258,493.17 = 102,431.04/x
  3. Step 3: Cross multiply
    187,313.97x = 258,493.17 × 102,431.04
  4. Step 4: Simplify right side
    187,313.97x = 26,477,724,236.00
  5. Step 5: Solve for x
    x = 26,477,724,236.00/187,313.97
  6. Step 6: Final answer
    x = 141,354.78

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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.