Home / 222,747.16-334,286.80-89,628.54

Finding the Fourth Proportional to 222,747.16, 334,286.80 and 89,628.54

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Solution

The fourth proportional to 222,747.16, 334,286.80 and 89,628.54 is: 134,509.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,747.16 : 334,286.80 = 89,628.54 : x
  2. Step 2: Convert to fraction form
    222,747.16/334,286.80 = 89,628.54/x
  3. Step 3: Cross multiply
    222,747.16x = 334,286.80 × 89,628.54
  4. Step 4: Simplify right side
    222,747.16x = 29,961,637,825.27
  5. Step 5: Solve for x
    x = 29,961,637,825.27/222,747.16
  6. Step 6: Final answer
    x = 134,509.63

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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.