Home / 187,673.91-258,935.71-105,997.82

Finding the Fourth Proportional to 187,673.91, 258,935.71 and 105,997.82

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Solution

The fourth proportional to 187,673.91, 258,935.71 and 105,997.82 is: 146,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,673.91 : 258,935.71 = 105,997.82 : x
  2. Step 2: Convert to fraction form
    187,673.91/258,935.71 = 105,997.82/x
  3. Step 3: Cross multiply
    187,673.91x = 258,935.71 × 105,997.82
  4. Step 4: Simplify right side
    187,673.91x = 27,446,619,717.34
  5. Step 5: Solve for x
    x = 27,446,619,717.34/187,673.91
  6. Step 6: Final answer
    x = 146,246.32

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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.