Home / 125,930.37-188,629.01-94,388.36

Finding the Fourth Proportional to 125,930.37, 188,629.01 and 94,388.36

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Solution

The fourth proportional to 125,930.37, 188,629.01 and 94,388.36 is: 141,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,930.37 : 188,629.01 = 94,388.36 : x
  2. Step 2: Convert to fraction form
    125,930.37/188,629.01 = 94,388.36/x
  3. Step 3: Cross multiply
    125,930.37x = 188,629.01 × 94,388.36
  4. Step 4: Simplify right side
    125,930.37x = 17,804,382,902.32
  5. Step 5: Solve for x
    x = 17,804,382,902.32/125,930.37
  6. Step 6: Final answer
    x = 141,382.76

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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.