Home / 236,694.42-355,044.78-78,922.95

Finding the Fourth Proportional to 236,694.42, 355,044.78 and 78,922.95

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Solution

The fourth proportional to 236,694.42, 355,044.78 and 78,922.95 is: 118,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,694.42 : 355,044.78 = 78,922.95 : x
  2. Step 2: Convert to fraction form
    236,694.42/355,044.78 = 78,922.95/x
  3. Step 3: Cross multiply
    236,694.42x = 355,044.78 × 78,922.95
  4. Step 4: Simplify right side
    236,694.42x = 28,021,181,419.70
  5. Step 5: Solve for x
    x = 28,021,181,419.70/236,694.42
  6. Step 6: Final answer
    x = 118,385.48

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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.