Home / 140,890.41-194,436.22-77,230.89

Finding the Fourth Proportional to 140,890.41, 194,436.22 and 77,230.89

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Solution

The fourth proportional to 140,890.41, 194,436.22 and 77,230.89 is: 106,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,890.41 : 194,436.22 = 77,230.89 : x
  2. Step 2: Convert to fraction form
    140,890.41/194,436.22 = 77,230.89/x
  3. Step 3: Cross multiply
    140,890.41x = 194,436.22 × 77,230.89
  4. Step 4: Simplify right side
    140,890.41x = 15,016,482,318.84
  5. Step 5: Solve for x
    x = 15,016,482,318.84/140,890.41
  6. Step 6: Final answer
    x = 106,582.71

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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.