Home / 222,834.78-307,507.79-126,036.95

Finding the Fourth Proportional to 222,834.78, 307,507.79 and 126,036.95

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Solution

The fourth proportional to 222,834.78, 307,507.79 and 126,036.95 is: 173,928.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,834.78 : 307,507.79 = 126,036.95 : x
  2. Step 2: Convert to fraction form
    222,834.78/307,507.79 = 126,036.95/x
  3. Step 3: Cross multiply
    222,834.78x = 307,507.79 × 126,036.95
  4. Step 4: Simplify right side
    222,834.78x = 38,757,342,730.39
  5. Step 5: Solve for x
    x = 38,757,342,730.39/222,834.78
  6. Step 6: Final answer
    x = 173,928.61

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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.