Home / 222,308.94-306,825.10-131,715.90

Finding the Fourth Proportional to 222,308.94, 306,825.10 and 131,715.90

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Solution

The fourth proportional to 222,308.94, 306,825.10 and 131,715.90 is: 181,790.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,308.94 : 306,825.10 = 131,715.90 : x
  2. Step 2: Convert to fraction form
    222,308.94/306,825.10 = 131,715.90/x
  3. Step 3: Cross multiply
    222,308.94x = 306,825.10 × 131,715.90
  4. Step 4: Simplify right side
    222,308.94x = 40,413,744,189.09
  5. Step 5: Solve for x
    x = 40,413,744,189.09/222,308.94
  6. Step 6: Final answer
    x = 181,790.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.