Home / 73,158.03-109,744.32-19,850.82

Finding the Fourth Proportional to 73,158.03, 109,744.32 and 19,850.82

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Solution

The fourth proportional to 73,158.03, 109,744.32 and 19,850.82 is: 29,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,158.03 : 109,744.32 = 19,850.82 : x
  2. Step 2: Convert to fraction form
    73,158.03/109,744.32 = 19,850.82/x
  3. Step 3: Cross multiply
    73,158.03x = 109,744.32 × 19,850.82
  4. Step 4: Simplify right side
    73,158.03x = 2,178,514,742.34
  5. Step 5: Solve for x
    x = 2,178,514,742.34/73,158.03
  6. Step 6: Final answer
    x = 29,778.20

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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.