Home / 261,212.80-391,845.12-94,961.92

Finding the Fourth Proportional to 261,212.80, 391,845.12 and 94,961.92

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Solution

The fourth proportional to 261,212.80, 391,845.12 and 94,961.92 is: 142,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,212.80 : 391,845.12 = 94,961.92 : x
  2. Step 2: Convert to fraction form
    261,212.80/391,845.12 = 94,961.92/x
  3. Step 3: Cross multiply
    261,212.80x = 391,845.12 × 94,961.92
  4. Step 4: Simplify right side
    261,212.80x = 37,210,364,937.83
  5. Step 5: Solve for x
    x = 37,210,364,937.83/261,212.80
  6. Step 6: Final answer
    x = 142,452.30

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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.