Home / 188,418.12-259,757.19-150,307.02

Finding the Fourth Proportional to 188,418.12, 259,757.19 and 150,307.02

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Solution

The fourth proportional to 188,418.12, 259,757.19 and 150,307.02 is: 207,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,418.12 : 259,757.19 = 150,307.02 : x
  2. Step 2: Convert to fraction form
    188,418.12/259,757.19 = 150,307.02/x
  3. Step 3: Cross multiply
    188,418.12x = 259,757.19 × 150,307.02
  4. Step 4: Simplify right side
    188,418.12x = 39,043,329,152.47
  5. Step 5: Solve for x
    x = 39,043,329,152.47/188,418.12
  6. Step 6: Final answer
    x = 207,216.42

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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.