Home / 170,067.20-254,711.99-81,383.00

Finding the Fourth Proportional to 170,067.20, 254,711.99 and 81,383.00

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Solution

The fourth proportional to 170,067.20, 254,711.99 and 81,383.00 is: 121,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,067.20 : 254,711.99 = 81,383.00 : x
  2. Step 2: Convert to fraction form
    170,067.20/254,711.99 = 81,383.00/x
  3. Step 3: Cross multiply
    170,067.20x = 254,711.99 × 81,383.00
  4. Step 4: Simplify right side
    170,067.20x = 20,729,224,812.07
  5. Step 5: Solve for x
    x = 20,729,224,812.07/170,067.20
  6. Step 6: Final answer
    x = 121,888.44

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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.