Home / 266,776.10-400,016.44-109,115.28

Finding the Fourth Proportional to 266,776.10, 400,016.44 and 109,115.28

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Solution

The fourth proportional to 266,776.10, 400,016.44 and 109,115.28 is: 163,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,776.10 : 400,016.44 = 109,115.28 : x
  2. Step 2: Convert to fraction form
    266,776.10/400,016.44 = 109,115.28/x
  3. Step 3: Cross multiply
    266,776.10x = 400,016.44 × 109,115.28
  4. Step 4: Simplify right side
    266,776.10x = 43,647,905,855.20
  5. Step 5: Solve for x
    x = 43,647,905,855.20/266,776.10
  6. Step 6: Final answer
    x = 163,612.50

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1.5x scale

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.