Home / 266,787.02-400,181.21-109,015.44

Finding the Fourth Proportional to 266,787.02, 400,181.21 and 109,015.44

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Solution

The fourth proportional to 266,787.02, 400,181.21 and 109,015.44 is: 163,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,787.02 : 400,181.21 = 109,015.44 : x
  2. Step 2: Convert to fraction form
    266,787.02/400,181.21 = 109,015.44/x
  3. Step 3: Cross multiply
    266,787.02x = 400,181.21 × 109,015.44
  4. Step 4: Simplify right side
    266,787.02x = 43,625,930,142.81
  5. Step 5: Solve for x
    x = 43,625,930,142.81/266,787.02
  6. Step 6: Final answer
    x = 163,523.44

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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.