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Finding the Fourth Proportional to 177,454.35, 244,883.79 and 100,971.79

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Solution

The fourth proportional to 177,454.35, 244,883.79 and 100,971.79 is: 139,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,454.35 : 244,883.79 = 100,971.79 : x
  2. Step 2: Convert to fraction form
    177,454.35/244,883.79 = 100,971.79/x
  3. Step 3: Cross multiply
    177,454.35x = 244,883.79 × 100,971.79
  4. Step 4: Simplify right side
    177,454.35x = 24,726,354,006.07
  5. Step 5: Solve for x
    x = 24,726,354,006.07/177,454.35
  6. Step 6: Final answer
    x = 139,339.24

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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.