Home / 266,422.14-399,830.43-126,181.17

Finding the Fourth Proportional to 266,422.14, 399,830.43 and 126,181.17

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Solution

The fourth proportional to 266,422.14, 399,830.43 and 126,181.17 is: 189,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,422.14 : 399,830.43 = 126,181.17 : x
  2. Step 2: Convert to fraction form
    266,422.14/399,830.43 = 126,181.17/x
  3. Step 3: Cross multiply
    266,422.14x = 399,830.43 × 126,181.17
  4. Step 4: Simplify right side
    266,422.14x = 50,451,071,459.00
  5. Step 5: Solve for x
    x = 50,451,071,459.00/266,422.14
  6. Step 6: Final answer
    x = 189,365.16

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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.