Home / 120,245.10-180,211.51-49,084.37

Finding the Fourth Proportional to 120,245.10, 180,211.51 and 49,084.37

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Solution

The fourth proportional to 120,245.10, 180,211.51 and 49,084.37 is: 73,562.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,245.10 : 180,211.51 = 49,084.37 : x
  2. Step 2: Convert to fraction form
    120,245.10/180,211.51 = 49,084.37/x
  3. Step 3: Cross multiply
    120,245.10x = 180,211.51 × 49,084.37
  4. Step 4: Simplify right side
    120,245.10x = 8,845,568,435.10
  5. Step 5: Solve for x
    x = 8,845,568,435.10/120,245.10
  6. Step 6: Final answer
    x = 73,562.82

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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.