Home / 152,140.76-228,208.31-45,524.78

Finding the Fourth Proportional to 152,140.76, 228,208.31 and 45,524.78

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Solution

The fourth proportional to 152,140.76, 228,208.31 and 45,524.78 is: 68,286.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,140.76 : 228,208.31 = 45,524.78 : x
  2. Step 2: Convert to fraction form
    152,140.76/228,208.31 = 45,524.78/x
  3. Step 3: Cross multiply
    152,140.76x = 228,208.31 × 45,524.78
  4. Step 4: Simplify right side
    152,140.76x = 10,389,132,879.30
  5. Step 5: Solve for x
    x = 10,389,132,879.30/152,140.76
  6. Step 6: Final answer
    x = 68,286.32

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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.