Home / 187,713.72-258,980.18-107,083.08

Finding the Fourth Proportional to 187,713.72, 258,980.18 and 107,083.08

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Solution

The fourth proportional to 187,713.72, 258,980.18 and 107,083.08 is: 147,737.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,713.72 : 258,980.18 = 107,083.08 : x
  2. Step 2: Convert to fraction form
    187,713.72/258,980.18 = 107,083.08/x
  3. Step 3: Cross multiply
    187,713.72x = 258,980.18 × 107,083.08
  4. Step 4: Simplify right side
    187,713.72x = 27,732,395,333.35
  5. Step 5: Solve for x
    x = 27,732,395,333.35/187,713.72
  6. Step 6: Final answer
    x = 147,737.71

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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.