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Finding the Fourth Proportional to 146,906.64, 202,732.44 and 79,838.64

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Solution

The fourth proportional to 146,906.64, 202,732.44 and 79,838.64 is: 110,178.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,906.64 : 202,732.44 = 79,838.64 : x
  2. Step 2: Convert to fraction form
    146,906.64/202,732.44 = 79,838.64/x
  3. Step 3: Cross multiply
    146,906.64x = 202,732.44 × 79,838.64
  4. Step 4: Simplify right side
    146,906.64x = 16,185,882,293.48
  5. Step 5: Solve for x
    x = 16,185,882,293.48/146,906.64
  6. Step 6: Final answer
    x = 110,178.02

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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.