Home / 187,570.24-258,871.56-106,979.29

Finding the Fourth Proportional to 187,570.24, 258,871.56 and 106,979.29

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Solution

The fourth proportional to 187,570.24, 258,871.56 and 106,979.29 is: 147,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,570.24 : 258,871.56 = 106,979.29 : x
  2. Step 2: Convert to fraction form
    187,570.24/258,871.56 = 106,979.29/x
  3. Step 3: Cross multiply
    187,570.24x = 258,871.56 × 106,979.29
  4. Step 4: Simplify right side
    187,570.24x = 27,693,895,689.99
  5. Step 5: Solve for x
    x = 27,693,895,689.99/187,570.24
  6. Step 6: Final answer
    x = 147,645.47

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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.