Home / 144,765.32-199,797.24-81,107.42

Finding the Fourth Proportional to 144,765.32, 199,797.24 and 81,107.42

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Solution

The fourth proportional to 144,765.32, 199,797.24 and 81,107.42 is: 111,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,765.32 : 199,797.24 = 81,107.42 : x
  2. Step 2: Convert to fraction form
    144,765.32/199,797.24 = 81,107.42/x
  3. Step 3: Cross multiply
    144,765.32x = 199,797.24 × 81,107.42
  4. Step 4: Simplify right side
    144,765.32x = 16,205,038,659.52
  5. Step 5: Solve for x
    x = 16,205,038,659.52/144,765.32
  6. Step 6: Final answer
    x = 111,940.06

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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.