Home / 236,961.39-355,442.09-79,189.85

Finding the Fourth Proportional to 236,961.39, 355,442.09 and 79,189.85

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Solution

The fourth proportional to 236,961.39, 355,442.09 and 79,189.85 is: 118,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,961.39 : 355,442.09 = 79,189.85 : x
  2. Step 2: Convert to fraction form
    236,961.39/355,442.09 = 79,189.85/x
  3. Step 3: Cross multiply
    236,961.39x = 355,442.09 × 79,189.85
  4. Step 4: Simplify right side
    236,961.39x = 28,147,403,617.63
  5. Step 5: Solve for x
    x = 28,147,403,617.63/236,961.39
  6. Step 6: Final answer
    x = 118,784.77

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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.