Home / 281,881.70-422,621.68-132,040.25

Finding the Fourth Proportional to 281,881.70, 422,621.68 and 132,040.25

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Solution

The fourth proportional to 281,881.70, 422,621.68 and 132,040.25 is: 197,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,881.70 : 422,621.68 = 132,040.25 : x
  2. Step 2: Convert to fraction form
    281,881.70/422,621.68 = 132,040.25/x
  3. Step 3: Cross multiply
    281,881.70x = 422,621.68 × 132,040.25
  4. Step 4: Simplify right side
    281,881.70x = 55,803,069,839.41
  5. Step 5: Solve for x
    x = 55,803,069,839.41/281,881.70
  6. Step 6: Final answer
    x = 197,966.27

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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.