Home / 266,776.07-400,164.11-109,004.38

Finding the Fourth Proportional to 266,776.07, 400,164.11 and 109,004.38

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Solution

The fourth proportional to 266,776.07, 400,164.11 and 109,004.38 is: 163,506.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,776.07 : 400,164.11 = 109,004.38 : x
  2. Step 2: Convert to fraction form
    266,776.07/400,164.11 = 109,004.38/x
  3. Step 3: Cross multiply
    266,776.07x = 400,164.11 × 109,004.38
  4. Step 4: Simplify right side
    266,776.07x = 43,619,640,708.80
  5. Step 5: Solve for x
    x = 43,619,640,708.80/266,776.07
  6. Step 6: Final answer
    x = 163,506.57

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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.