Home / 187,958.72-259,359.13-107,391.46

Finding the Fourth Proportional to 187,958.72, 259,359.13 and 107,391.46

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Solution

The fourth proportional to 187,958.72, 259,359.13 and 107,391.46 is: 148,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,958.72 : 259,359.13 = 107,391.46 : x
  2. Step 2: Convert to fraction form
    187,958.72/259,359.13 = 107,391.46/x
  3. Step 3: Cross multiply
    187,958.72x = 259,359.13 × 107,391.46
  4. Step 4: Simplify right side
    187,958.72x = 27,852,955,635.03
  5. Step 5: Solve for x
    x = 27,852,955,635.03/187,958.72
  6. Step 6: Final answer
    x = 148,186.56

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1.5x scale

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.