Home / 187,081.68-258,169.48-102,196.56

Finding the Fourth Proportional to 187,081.68, 258,169.48 and 102,196.56

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Solution

The fourth proportional to 187,081.68, 258,169.48 and 102,196.56 is: 141,029.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,081.68 : 258,169.48 = 102,196.56 : x
  2. Step 2: Convert to fraction form
    187,081.68/258,169.48 = 102,196.56/x
  3. Step 3: Cross multiply
    187,081.68x = 258,169.48 × 102,196.56
  4. Step 4: Simplify right side
    187,081.68x = 26,384,032,752.99
  5. Step 5: Solve for x
    x = 26,384,032,752.99/187,081.68
  6. Step 6: Final answer
    x = 141,029.48

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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.