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Finding the Fourth Proportional to 146,260, 201,838.80 and 79,192

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Solution

The fourth proportional to 146,260, 201,838.80 and 79,192 is: 109,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,260 : 201,838.80 = 79,192 : x
  2. Step 2: Convert to fraction form
    146,260/201,838.80 = 79,192/x
  3. Step 3: Cross multiply
    146,260x = 201,838.80 × 79,192
  4. Step 4: Simplify right side
    146,260x = 15,984,018,249.60
  5. Step 5: Solve for x
    x = 15,984,018,249.60/146,260
  6. Step 6: Final answer
    x = 109,284.96

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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.