Home / 236,806.50-355,385.07-112,147.86

Finding the Fourth Proportional to 236,806.50, 355,385.07 and 112,147.86

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Solution

The fourth proportional to 236,806.50, 355,385.07 and 112,147.86 is: 168,304.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,806.50 : 355,385.07 = 112,147.86 : x
  2. Step 2: Convert to fraction form
    236,806.50/355,385.07 = 112,147.86/x
  3. Step 3: Cross multiply
    236,806.50x = 355,385.07 × 112,147.86
  4. Step 4: Simplify right side
    236,806.50x = 39,855,675,076.45
  5. Step 5: Solve for x
    x = 39,855,675,076.45/236,806.50
  6. Step 6: Final answer
    x = 168,304.82

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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.