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Finding the Fourth Proportional to 149,108.40, 205,735.80 and 108,844.11

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Solution

The fourth proportional to 149,108.40, 205,735.80 and 108,844.11 is: 150,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,108.40 : 205,735.80 = 108,844.11 : x
  2. Step 2: Convert to fraction form
    149,108.40/205,735.80 = 108,844.11/x
  3. Step 3: Cross multiply
    149,108.40x = 205,735.80 × 108,844.11
  4. Step 4: Simplify right side
    149,108.40x = 22,393,130,046.14
  5. Step 5: Solve for x
    x = 22,393,130,046.14/149,108.40
  6. Step 6: Final answer
    x = 150,180.20

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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.