Home / 281,839.20-422,816.40-94,869.60

Finding the Fourth Proportional to 281,839.20, 422,816.40 and 94,869.60

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Solution

The fourth proportional to 281,839.20, 422,816.40 and 94,869.60 is: 142,323.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,839.20 : 422,816.40 = 94,869.60 : x
  2. Step 2: Convert to fraction form
    281,839.20/422,816.40 = 94,869.60/x
  3. Step 3: Cross multiply
    281,839.20x = 422,816.40 × 94,869.60
  4. Step 4: Simplify right side
    281,839.20x = 40,112,422,741.44
  5. Step 5: Solve for x
    x = 40,112,422,741.44/281,839.20
  6. Step 6: Final answer
    x = 142,323.79

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1.5x scale

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.