Home / 266,884.95-400,327.69-109,113.41

Finding the Fourth Proportional to 266,884.95, 400,327.69 and 109,113.41

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Solution

The fourth proportional to 266,884.95, 400,327.69 and 109,113.41 is: 163,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,884.95 : 400,327.69 = 109,113.41 : x
  2. Step 2: Convert to fraction form
    266,884.95/400,327.69 = 109,113.41/x
  3. Step 3: Cross multiply
    266,884.95x = 400,327.69 × 109,113.41
  4. Step 4: Simplify right side
    266,884.95x = 43,681,117,098.90
  5. Step 5: Solve for x
    x = 43,681,117,098.90/266,884.95
  6. Step 6: Final answer
    x = 163,670.21

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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.