Home / 236,868.60-355,187.70-131,575.80

Finding the Fourth Proportional to 236,868.60, 355,187.70 and 131,575.80

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Solution

The fourth proportional to 236,868.60, 355,187.70 and 131,575.80 is: 197,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,868.60 : 355,187.70 = 131,575.80 : x
  2. Step 2: Convert to fraction form
    236,868.60/355,187.70 = 131,575.80/x
  3. Step 3: Cross multiply
    236,868.60x = 355,187.70 × 131,575.80
  4. Step 4: Simplify right side
    236,868.60x = 46,734,105,777.66
  5. Step 5: Solve for x
    x = 46,734,105,777.66/236,868.60
  6. Step 6: Final answer
    x = 197,299.71

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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.