Home / 152,208.44-228,063.31-81,055.53

Finding the Fourth Proportional to 152,208.44, 228,063.31 and 81,055.53

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Solution

The fourth proportional to 152,208.44, 228,063.31 and 81,055.53 is: 121,450.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,208.44 : 228,063.31 = 81,055.53 : x
  2. Step 2: Convert to fraction form
    152,208.44/228,063.31 = 81,055.53/x
  3. Step 3: Cross multiply
    152,208.44x = 228,063.31 × 81,055.53
  4. Step 4: Simplify right side
    152,208.44x = 18,485,792,262.97
  5. Step 5: Solve for x
    x = 18,485,792,262.97/152,208.44
  6. Step 6: Final answer
    x = 121,450.51

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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.