Home / 120,873.08-181,388.34-45,993.89

Finding the Fourth Proportional to 120,873.08, 181,388.34 and 45,993.89

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Solution

The fourth proportional to 120,873.08, 181,388.34 and 45,993.89 is: 69,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,873.08 : 181,388.34 = 45,993.89 : x
  2. Step 2: Convert to fraction form
    120,873.08/181,388.34 = 45,993.89/x
  3. Step 3: Cross multiply
    120,873.08x = 181,388.34 × 45,993.89
  4. Step 4: Simplify right side
    120,873.08x = 8,342,754,450.30
  5. Step 5: Solve for x
    x = 8,342,754,450.30/120,873.08
  6. Step 6: Final answer
    x = 69,020.78

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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.