Home / 236,974.40-355,000.80-131,604.80

Finding the Fourth Proportional to 236,974.40, 355,000.80 and 131,604.80

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Solution

The fourth proportional to 236,974.40, 355,000.80 and 131,604.80 is: 197,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,974.40 : 355,000.80 = 131,604.80 : x
  2. Step 2: Convert to fraction form
    236,974.40/355,000.80 = 131,604.80/x
  3. Step 3: Cross multiply
    236,974.40x = 355,000.80 × 131,604.80
  4. Step 4: Simplify right side
    236,974.40x = 46,719,809,283.84
  5. Step 5: Solve for x
    x = 46,719,809,283.84/236,974.40
  6. Step 6: Final answer
    x = 197,151.29

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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.