Home / 187,660.22-258,977.32-102,781.94

Finding the Fourth Proportional to 187,660.22, 258,977.32 and 102,781.94

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Solution

The fourth proportional to 187,660.22, 258,977.32 and 102,781.94 is: 141,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,660.22 : 258,977.32 = 102,781.94 : x
  2. Step 2: Convert to fraction form
    187,660.22/258,977.32 = 102,781.94/x
  3. Step 3: Cross multiply
    187,660.22x = 258,977.32 × 102,781.94
  4. Step 4: Simplify right side
    187,660.22x = 26,618,189,813.76
  5. Step 5: Solve for x
    x = 26,618,189,813.76/187,660.22
  6. Step 6: Final answer
    x = 141,842.48

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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.