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Finding the Fourth Proportional to 192,522.25, 265,674.36 and 106,479.87

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Solution

The fourth proportional to 192,522.25, 265,674.36 and 106,479.87 is: 146,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,522.25 : 265,674.36 = 106,479.87 : x
  2. Step 2: Convert to fraction form
    192,522.25/265,674.36 = 106,479.87/x
  3. Step 3: Cross multiply
    192,522.25x = 265,674.36 × 106,479.87
  4. Step 4: Simplify right side
    192,522.25x = 28,288,971,315.13
  5. Step 5: Solve for x
    x = 28,288,971,315.13/192,522.25
  6. Step 6: Final answer
    x = 146,938.71

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1.5x scale

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.