Home / 148,268.86-204,612.73-80,287.38

Finding the Fourth Proportional to 148,268.86, 204,612.73 and 80,287.38

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Solution

The fourth proportional to 148,268.86, 204,612.73 and 80,287.38 is: 110,797.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,268.86 : 204,612.73 = 80,287.38 : x
  2. Step 2: Convert to fraction form
    148,268.86/204,612.73 = 80,287.38/x
  3. Step 3: Cross multiply
    148,268.86x = 204,612.73 × 80,287.38
  4. Step 4: Simplify right side
    148,268.86x = 16,427,820,116.44
  5. Step 5: Solve for x
    x = 16,427,820,116.44/148,268.86
  6. Step 6: Final answer
    x = 110,797.51

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1.5x scale

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.