Home / 187,621.30-258,919.50-107,059.51

Finding the Fourth Proportional to 187,621.30, 258,919.50 and 107,059.51

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Solution

The fourth proportional to 187,621.30, 258,919.50 and 107,059.51 is: 147,743.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,621.30 : 258,919.50 = 107,059.51 : x
  2. Step 2: Convert to fraction form
    187,621.30/258,919.50 = 107,059.51/x
  3. Step 3: Cross multiply
    187,621.30x = 258,919.50 × 107,059.51
  4. Step 4: Simplify right side
    187,621.30x = 27,719,794,799.45
  5. Step 5: Solve for x
    x = 27,719,794,799.45/187,621.30
  6. Step 6: Final answer
    x = 147,743.33

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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.