Home / 187,022.46-258,091.94-102,139.52

Finding the Fourth Proportional to 187,022.46, 258,091.94 and 102,139.52

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Solution

The fourth proportional to 187,022.46, 258,091.94 and 102,139.52 is: 140,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,022.46 : 258,091.94 = 102,139.52 : x
  2. Step 2: Convert to fraction form
    187,022.46/258,091.94 = 102,139.52/x
  3. Step 3: Cross multiply
    187,022.46x = 258,091.94 × 102,139.52
  4. Step 4: Simplify right side
    187,022.46x = 26,361,387,768.05
  5. Step 5: Solve for x
    x = 26,361,387,768.05/187,022.46
  6. Step 6: Final answer
    x = 140,953.06

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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.