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Finding the Fourth Proportional to 192,356.64, 265,429.26 and 106,310.34

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Solution

The fourth proportional to 192,356.64, 265,429.26 and 106,310.34 is: 146,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,356.64 : 265,429.26 = 106,310.34 : x
  2. Step 2: Convert to fraction form
    192,356.64/265,429.26 = 106,310.34/x
  3. Step 3: Cross multiply
    192,356.64x = 265,429.26 × 106,310.34
  4. Step 4: Simplify right side
    192,356.64x = 28,217,874,876.55
  5. Step 5: Solve for x
    x = 28,217,874,876.55/192,356.64
  6. Step 6: Final answer
    x = 146,695.61

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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.