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Finding the Fourth Proportional to 177,767.94, 245,334.90 and 101,310.42

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Solution

The fourth proportional to 177,767.94, 245,334.90 and 101,310.42 is: 139,817.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,767.94 : 245,334.90 = 101,310.42 : x
  2. Step 2: Convert to fraction form
    177,767.94/245,334.90 = 101,310.42/x
  3. Step 3: Cross multiply
    177,767.94x = 245,334.90 × 101,310.42
  4. Step 4: Simplify right side
    177,767.94x = 24,854,981,759.66
  5. Step 5: Solve for x
    x = 24,854,981,759.66/177,767.94
  6. Step 6: Final answer
    x = 139,817.01

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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.