Home / 148,268.89-204,612.77-80,287.41

Finding the Fourth Proportional to 148,268.89, 204,612.77 and 80,287.41

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Solution

The fourth proportional to 148,268.89, 204,612.77 and 80,287.41 is: 110,797.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,268.89 : 204,612.77 = 80,287.41 : x
  2. Step 2: Convert to fraction form
    148,268.89/204,612.77 = 80,287.41/x
  3. Step 3: Cross multiply
    148,268.89x = 204,612.77 × 80,287.41
  4. Step 4: Simplify right side
    148,268.89x = 16,427,830,324.24
  5. Step 5: Solve for x
    x = 16,427,830,324.24/148,268.89
  6. Step 6: Final answer
    x = 110,797.55

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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.