Home / 266,803.10-400,056.96-109,142.30

Finding the Fourth Proportional to 266,803.10, 400,056.96 and 109,142.30

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Solution

The fourth proportional to 266,803.10, 400,056.96 and 109,142.30 is: 163,653.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,803.10 : 400,056.96 = 109,142.30 : x
  2. Step 2: Convert to fraction form
    266,803.10/400,056.96 = 109,142.30/x
  3. Step 3: Cross multiply
    266,803.10x = 400,056.96 × 109,142.30
  4. Step 4: Simplify right side
    266,803.10x = 43,663,136,745.41
  5. Step 5: Solve for x
    x = 43,663,136,745.41/266,803.10
  6. Step 6: Final answer
    x = 163,653.03

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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.