Home / 218,135.32-327,377.96-112,984.36

Finding the Fourth Proportional to 218,135.32, 327,377.96 and 112,984.36

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Solution

The fourth proportional to 218,135.32, 327,377.96 and 112,984.36 is: 169,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,135.32 : 327,377.96 = 112,984.36 : x
  2. Step 2: Convert to fraction form
    218,135.32/327,377.96 = 112,984.36/x
  3. Step 3: Cross multiply
    218,135.32x = 327,377.96 × 112,984.36
  4. Step 4: Simplify right side
    218,135.32x = 36,988,589,288.71
  5. Step 5: Solve for x
    x = 36,988,589,288.71/218,135.32
  6. Step 6: Final answer
    x = 169,567.17

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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.