Home / 187,175.86-258,320.49-102,305.68

Finding the Fourth Proportional to 187,175.86, 258,320.49 and 102,305.68

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Solution

The fourth proportional to 187,175.86, 258,320.49 and 102,305.68 is: 141,191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,175.86 : 258,320.49 = 102,305.68 : x
  2. Step 2: Convert to fraction form
    187,175.86/258,320.49 = 102,305.68/x
  3. Step 3: Cross multiply
    187,175.86x = 258,320.49 × 102,305.68
  4. Step 4: Simplify right side
    187,175.86x = 26,427,653,387.38
  5. Step 5: Solve for x
    x = 26,427,653,387.38/187,175.86
  6. Step 6: Final answer
    x = 141,191.57

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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.