Home / 266,777.32-400,166.67-109,005.78

Finding the Fourth Proportional to 266,777.32, 400,166.67 and 109,005.78

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Solution

The fourth proportional to 266,777.32, 400,166.67 and 109,005.78 is: 163,508.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,777.32 : 400,166.67 = 109,005.78 : x
  2. Step 2: Convert to fraction form
    266,777.32/400,166.67 = 109,005.78/x
  3. Step 3: Cross multiply
    266,777.32x = 400,166.67 × 109,005.78
  4. Step 4: Simplify right side
    266,777.32x = 43,620,477,447.49
  5. Step 5: Solve for x
    x = 43,620,477,447.49/266,777.32
  6. Step 6: Final answer
    x = 163,508.94

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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.