Home / 187,620.30-258,918.12-107,058.51

Finding the Fourth Proportional to 187,620.30, 258,918.12 and 107,058.51

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Solution

The fourth proportional to 187,620.30, 258,918.12 and 107,058.51 is: 147,741.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,620.30 : 258,918.12 = 107,058.51 : x
  2. Step 2: Convert to fraction form
    187,620.30/258,918.12 = 107,058.51/x
  3. Step 3: Cross multiply
    187,620.30x = 258,918.12 × 107,058.51
  4. Step 4: Simplify right side
    187,620.30x = 27,719,388,139.20
  5. Step 5: Solve for x
    x = 27,719,388,139.20/187,620.30
  6. Step 6: Final answer
    x = 147,741.95

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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.