Home / 140,644.27-210,928.94-39,436.75

Finding the Fourth Proportional to 140,644.27, 210,928.94 and 39,436.75

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Solution

The fourth proportional to 140,644.27, 210,928.94 and 39,436.75 is: 59,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,644.27 : 210,928.94 = 39,436.75 : x
  2. Step 2: Convert to fraction form
    140,644.27/210,928.94 = 39,436.75/x
  3. Step 3: Cross multiply
    140,644.27x = 210,928.94 × 39,436.75
  4. Step 4: Simplify right side
    140,644.27x = 8,318,351,384.76
  5. Step 5: Solve for x
    x = 8,318,351,384.76/140,644.27
  6. Step 6: Final answer
    x = 59,144.61

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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.