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Finding the Fourth Proportional to 192,522.32, 265,676.15 and 106,479.06

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Solution

The fourth proportional to 192,522.32, 265,676.15 and 106,479.06 is: 146,938.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,522.32 : 265,676.15 = 106,479.06 : x
  2. Step 2: Convert to fraction form
    192,522.32/265,676.15 = 106,479.06/x
  3. Step 3: Cross multiply
    192,522.32x = 265,676.15 × 106,479.06
  4. Step 4: Simplify right side
    192,522.32x = 28,288,945,986.33
  5. Step 5: Solve for x
    x = 28,288,945,986.33/192,522.32
  6. Step 6: Final answer
    x = 146,938.53

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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.