Home / 209,351.46-288,896.76-113,858.04

Finding the Fourth Proportional to 209,351.46, 288,896.76 and 113,858.04

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Solution

The fourth proportional to 209,351.46, 288,896.76 and 113,858.04 is: 157,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,351.46 : 288,896.76 = 113,858.04 : x
  2. Step 2: Convert to fraction form
    209,351.46/288,896.76 = 113,858.04/x
  3. Step 3: Cross multiply
    209,351.46x = 288,896.76 × 113,858.04
  4. Step 4: Simplify right side
    209,351.46x = 32,893,218,855.95
  5. Step 5: Solve for x
    x = 32,893,218,855.95/209,351.46
  6. Step 6: Final answer
    x = 157,119.61

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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.