Home / 222,540.52-307,106.07-131,941.18

Finding the Fourth Proportional to 222,540.52, 307,106.07 and 131,941.18

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Solution

The fourth proportional to 222,540.52, 307,106.07 and 131,941.18 is: 182,078.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,540.52 : 307,106.07 = 131,941.18 : x
  2. Step 2: Convert to fraction form
    222,540.52/307,106.07 = 131,941.18/x
  3. Step 3: Cross multiply
    222,540.52x = 307,106.07 × 131,941.18
  4. Step 4: Simplify right side
    222,540.52x = 40,519,937,260.96
  5. Step 5: Solve for x
    x = 40,519,937,260.96/222,540.52
  6. Step 6: Final answer
    x = 182,078.92

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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.