Home / 260,076.34-390,227.19-91,716.96

Finding the Fourth Proportional to 260,076.34, 390,227.19 and 91,716.96

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Solution

The fourth proportional to 260,076.34, 390,227.19 and 91,716.96 is: 137,615.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,076.34 : 390,227.19 = 91,716.96 : x
  2. Step 2: Convert to fraction form
    260,076.34/390,227.19 = 91,716.96/x
  3. Step 3: Cross multiply
    260,076.34x = 390,227.19 × 91,716.96
  4. Step 4: Simplify right side
    260,076.34x = 35,790,451,576.14
  5. Step 5: Solve for x
    x = 35,790,451,576.14/260,076.34
  6. Step 6: Final answer
    x = 137,615.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.