Home / 152,923.20-228,736.80-137,241.60

Finding the Fourth Proportional to 152,923.20, 228,736.80 and 137,241.60

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Solution

The fourth proportional to 152,923.20, 228,736.80 and 137,241.60 is: 205,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,923.20 : 228,736.80 = 137,241.60 : x
  2. Step 2: Convert to fraction form
    152,923.20/228,736.80 = 137,241.60/x
  3. Step 3: Cross multiply
    152,923.20x = 228,736.80 × 137,241.60
  4. Step 4: Simplify right side
    152,923.20x = 31,392,204,410.88
  5. Step 5: Solve for x
    x = 31,392,204,410.88/152,923.20
  6. Step 6: Final answer
    x = 205,280.85

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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.