Home / 152,406.20-228,738.90-68,295.80

Finding the Fourth Proportional to 152,406.20, 228,738.90 and 68,295.80

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Solution

The fourth proportional to 152,406.20, 228,738.90 and 68,295.80 is: 102,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,406.20 : 228,738.90 = 68,295.80 : x
  2. Step 2: Convert to fraction form
    152,406.20/228,738.90 = 68,295.80/x
  3. Step 3: Cross multiply
    152,406.20x = 228,738.90 × 68,295.80
  4. Step 4: Simplify right side
    152,406.20x = 15,621,906,166.62
  5. Step 5: Solve for x
    x = 15,621,906,166.62/152,406.20
  6. Step 6: Final answer
    x = 102,501.78

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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.