Home / 187,708.44-258,986.04-107,106.96

Finding the Fourth Proportional to 187,708.44, 258,986.04 and 107,106.96

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Solution

The fourth proportional to 187,708.44, 258,986.04 and 107,106.96 is: 147,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,708.44 : 258,986.04 = 107,106.96 : x
  2. Step 2: Convert to fraction form
    187,708.44/258,986.04 = 107,106.96/x
  3. Step 3: Cross multiply
    187,708.44x = 258,986.04 × 107,106.96
  4. Step 4: Simplify right side
    187,708.44x = 27,739,207,426.84
  5. Step 5: Solve for x
    x = 27,739,207,426.84/187,708.44
  6. Step 6: Final answer
    x = 147,778.16

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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.