Home / 236,761.20-355,141.80-148,187.70

Finding the Fourth Proportional to 236,761.20, 355,141.80 and 148,187.70

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Solution

The fourth proportional to 236,761.20, 355,141.80 and 148,187.70 is: 222,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,761.20 : 355,141.80 = 148,187.70 : x
  2. Step 2: Convert to fraction form
    236,761.20/355,141.80 = 148,187.70/x
  3. Step 3: Cross multiply
    236,761.20x = 355,141.80 × 148,187.70
  4. Step 4: Simplify right side
    236,761.20x = 52,627,646,515.86
  5. Step 5: Solve for x
    x = 52,627,646,515.86/236,761.20
  6. Step 6: Final answer
    x = 222,281.55

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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.