Home / 148,431.41-222,121.55-92,297.96

Finding the Fourth Proportional to 148,431.41, 222,121.55 and 92,297.96

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Solution

The fourth proportional to 148,431.41, 222,121.55 and 92,297.96 is: 138,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,431.41 : 222,121.55 = 92,297.96 : x
  2. Step 2: Convert to fraction form
    148,431.41/222,121.55 = 92,297.96/x
  3. Step 3: Cross multiply
    148,431.41x = 222,121.55 × 92,297.96
  4. Step 4: Simplify right side
    148,431.41x = 20,501,364,364.94
  5. Step 5: Solve for x
    x = 20,501,364,364.94/148,431.41
  6. Step 6: Final answer
    x = 138,120.13

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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.