Home / 152,137.58-228,297.22-81,112.93

Finding the Fourth Proportional to 152,137.58, 228,297.22 and 81,112.93

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Solution

The fourth proportional to 152,137.58, 228,297.22 and 81,112.93 is: 121,717.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,137.58 : 228,297.22 = 81,112.93 : x
  2. Step 2: Convert to fraction form
    152,137.58/228,297.22 = 81,112.93/x
  3. Step 3: Cross multiply
    152,137.58x = 228,297.22 × 81,112.93
  4. Step 4: Simplify right side
    152,137.58x = 18,517,855,651.53
  5. Step 5: Solve for x
    x = 18,517,855,651.53/152,137.58
  6. Step 6: Final answer
    x = 121,717.83

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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.