Home / 187,767.96-258,977.30-136,009.42

Finding the Fourth Proportional to 187,767.96, 258,977.30 and 136,009.42

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Solution

The fourth proportional to 187,767.96, 258,977.30 and 136,009.42 is: 187,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,767.96 : 258,977.30 = 136,009.42 : x
  2. Step 2: Convert to fraction form
    187,767.96/258,977.30 = 136,009.42/x
  3. Step 3: Cross multiply
    187,767.96x = 258,977.30 × 136,009.42
  4. Step 4: Simplify right side
    187,767.96x = 35,223,351,071.28
  5. Step 5: Solve for x
    x = 35,223,351,071.28/187,767.96
  6. Step 6: Final answer
    x = 187,589.78

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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.