Home / 187,615.22-258,906.42-102,732.30

Finding the Fourth Proportional to 187,615.22, 258,906.42 and 102,732.30

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Solution

The fourth proportional to 187,615.22, 258,906.42 and 102,732.30 is: 141,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,615.22 : 258,906.42 = 102,732.30 : x
  2. Step 2: Convert to fraction form
    187,615.22/258,906.42 = 102,732.30/x
  3. Step 3: Cross multiply
    187,615.22x = 258,906.42 × 102,732.30
  4. Step 4: Simplify right side
    187,615.22x = 26,598,052,011.37
  5. Step 5: Solve for x
    x = 26,598,052,011.37/187,615.22
  6. Step 6: Final answer
    x = 141,769.16

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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.