Home / 120,744.34-181,110.67-45,858.64

Finding the Fourth Proportional to 120,744.34, 181,110.67 and 45,858.64

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Solution

The fourth proportional to 120,744.34, 181,110.67 and 45,858.64 is: 68,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,744.34 : 181,110.67 = 45,858.64 : x
  2. Step 2: Convert to fraction form
    120,744.34/181,110.67 = 45,858.64/x
  3. Step 3: Cross multiply
    120,744.34x = 181,110.67 × 45,858.64
  4. Step 4: Simplify right side
    120,744.34x = 8,305,489,241.20
  5. Step 5: Solve for x
    x = 8,305,489,241.20/120,744.34
  6. Step 6: Final answer
    x = 68,785.74

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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.