Home / 202,736.30-279,764.79-112,086.98

Finding the Fourth Proportional to 202,736.30, 279,764.79 and 112,086.98

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Solution

The fourth proportional to 202,736.30, 279,764.79 and 112,086.98 is: 154,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,736.30 : 279,764.79 = 112,086.98 : x
  2. Step 2: Convert to fraction form
    202,736.30/279,764.79 = 112,086.98/x
  3. Step 3: Cross multiply
    202,736.30x = 279,764.79 × 112,086.98
  4. Step 4: Simplify right side
    202,736.30x = 31,357,990,421.43
  5. Step 5: Solve for x
    x = 31,357,990,421.43/202,736.30
  6. Step 6: Final answer
    x = 154,673.78

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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.