Home / 120,850.14-181,211.41-40,860.61

Finding the Fourth Proportional to 120,850.14, 181,211.41 and 40,860.61

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Solution

The fourth proportional to 120,850.14, 181,211.41 and 40,860.61 is: 61,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,850.14 : 181,211.41 = 40,860.61 : x
  2. Step 2: Convert to fraction form
    120,850.14/181,211.41 = 40,860.61/x
  3. Step 3: Cross multiply
    120,850.14x = 181,211.41 × 40,860.61
  4. Step 4: Simplify right side
    120,850.14x = 7,404,408,859.26
  5. Step 5: Solve for x
    x = 7,404,408,859.26/120,850.14
  6. Step 6: Final answer
    x = 61,269.35

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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.