Home / 229,639.08-344,137.86-111,279

Finding the Fourth Proportional to 229,639.08, 344,137.86 and 111,279

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Solution

The fourth proportional to 229,639.08, 344,137.86 and 111,279 is: 166,763.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,639.08 : 344,137.86 = 111,279 : x
  2. Step 2: Convert to fraction form
    229,639.08/344,137.86 = 111,279/x
  3. Step 3: Cross multiply
    229,639.08x = 344,137.86 × 111,279
  4. Step 4: Simplify right side
    229,639.08x = 38,295,316,922.94
  5. Step 5: Solve for x
    x = 38,295,316,922.94/229,639.08
  6. Step 6: Final answer
    x = 166,763.07

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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.