Home / 148,269.15-204,611.54-80,286.66

Finding the Fourth Proportional to 148,269.15, 204,611.54 and 80,286.66

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Solution

The fourth proportional to 148,269.15, 204,611.54 and 80,286.66 is: 110,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,269.15 : 204,611.54 = 80,286.66 : x
  2. Step 2: Convert to fraction form
    148,269.15/204,611.54 = 80,286.66/x
  3. Step 3: Cross multiply
    148,269.15x = 204,611.54 × 80,286.66
  4. Step 4: Simplify right side
    148,269.15x = 16,427,576,742.62
  5. Step 5: Solve for x
    x = 16,427,576,742.62/148,269.15
  6. Step 6: Final answer
    x = 110,795.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.