Home / 215,164.81-322,786.32-88,734.79

Finding the Fourth Proportional to 215,164.81, 322,786.32 and 88,734.79

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Solution

The fourth proportional to 215,164.81, 322,786.32 and 88,734.79 is: 133,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,164.81 : 322,786.32 = 88,734.79 : x
  2. Step 2: Convert to fraction form
    215,164.81/322,786.32 = 88,734.79/x
  3. Step 3: Cross multiply
    215,164.81x = 322,786.32 × 88,734.79
  4. Step 4: Simplify right side
    215,164.81x = 28,642,376,390.80
  5. Step 5: Solve for x
    x = 28,642,376,390.80/215,164.81
  6. Step 6: Final answer
    x = 133,118.32

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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.