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Finding the Fourth Proportional to 118,179, 177,169.07 and 54,967.01

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Solution

The fourth proportional to 118,179, 177,169.07 and 54,967.01 is: 82,404.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,179 : 177,169.07 = 54,967.01 : x
  2. Step 2: Convert to fraction form
    118,179/177,169.07 = 54,967.01/x
  3. Step 3: Cross multiply
    118,179x = 177,169.07 × 54,967.01
  4. Step 4: Simplify right side
    118,179x = 9,738,453,293.95
  5. Step 5: Solve for x
    x = 9,738,453,293.95/118,179
  6. Step 6: Final answer
    x = 82,404.26

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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.