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Finding the Fourth Proportional to 159,888.33, 220,674.78 and 95,361.71

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Solution

The fourth proportional to 159,888.33, 220,674.78 and 95,361.71 is: 131,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,888.33 : 220,674.78 = 95,361.71 : x
  2. Step 2: Convert to fraction form
    159,888.33/220,674.78 = 95,361.71/x
  3. Step 3: Cross multiply
    159,888.33x = 220,674.78 × 95,361.71
  4. Step 4: Simplify right side
    159,888.33x = 21,043,923,271.30
  5. Step 5: Solve for x
    x = 21,043,923,271.30/159,888.33
  6. Step 6: Final answer
    x = 131,616.38

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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.