Home / 179,266.40-268,899.60-74,160.80

Finding the Fourth Proportional to 179,266.40, 268,899.60 and 74,160.80

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Solution

The fourth proportional to 179,266.40, 268,899.60 and 74,160.80 is: 111,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,266.40 : 268,899.60 = 74,160.80 : x
  2. Step 2: Convert to fraction form
    179,266.40/268,899.60 = 74,160.80/x
  3. Step 3: Cross multiply
    179,266.40x = 268,899.60 × 74,160.80
  4. Step 4: Simplify right side
    179,266.40x = 19,941,809,455.68
  5. Step 5: Solve for x
    x = 19,941,809,455.68/179,266.40
  6. Step 6: Final answer
    x = 111,241.20

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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.