Home / 149,936.64-207,067.50-129,696.36

Finding the Fourth Proportional to 149,936.64, 207,067.50 and 129,696.36

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Solution

The fourth proportional to 149,936.64, 207,067.50 and 129,696.36 is: 179,115.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,936.64 : 207,067.50 = 129,696.36 : x
  2. Step 2: Convert to fraction form
    149,936.64/207,067.50 = 129,696.36/x
  3. Step 3: Cross multiply
    149,936.64x = 207,067.50 × 129,696.36
  4. Step 4: Simplify right side
    149,936.64x = 26,855,901,024.30
  5. Step 5: Solve for x
    x = 26,855,901,024.30/149,936.64
  6. Step 6: Final answer
    x = 179,115.00

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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.