Home / 177,293.82-265,791.05-77,380.62

Finding the Fourth Proportional to 177,293.82, 265,791.05 and 77,380.62

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Solution

The fourth proportional to 177,293.82, 265,791.05 and 77,380.62 is: 116,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,293.82 : 265,791.05 = 77,380.62 : x
  2. Step 2: Convert to fraction form
    177,293.82/265,791.05 = 77,380.62/x
  3. Step 3: Cross multiply
    177,293.82x = 265,791.05 × 77,380.62
  4. Step 4: Simplify right side
    177,293.82x = 20,567,076,239.45
  5. Step 5: Solve for x
    x = 20,567,076,239.45/177,293.82
  6. Step 6: Final answer
    x = 116,005.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.