Home / 73,168.44-109,677.32-28,777.20

Finding the Fourth Proportional to 73,168.44, 109,677.32 and 28,777.20

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Solution

The fourth proportional to 73,168.44, 109,677.32 and 28,777.20 is: 43,136.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,168.44 : 109,677.32 = 28,777.20 : x
  2. Step 2: Convert to fraction form
    73,168.44/109,677.32 = 28,777.20/x
  3. Step 3: Cross multiply
    73,168.44x = 109,677.32 × 28,777.20
  4. Step 4: Simplify right side
    73,168.44x = 3,156,206,173.10
  5. Step 5: Solve for x
    x = 3,156,206,173.10/73,168.44
  6. Step 6: Final answer
    x = 43,136.17

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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.