Home / 137,273.63-189,441.56-76,843.92

Finding the Fourth Proportional to 137,273.63, 189,441.56 and 76,843.92

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Solution

The fourth proportional to 137,273.63, 189,441.56 and 76,843.92 is: 106,046.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,273.63 : 189,441.56 = 76,843.92 : x
  2. Step 2: Convert to fraction form
    137,273.63/189,441.56 = 76,843.92/x
  3. Step 3: Cross multiply
    137,273.63x = 189,441.56 × 76,843.92
  4. Step 4: Simplify right side
    137,273.63x = 14,557,431,326.22
  5. Step 5: Solve for x
    x = 14,557,431,326.22/137,273.63
  6. Step 6: Final answer
    x = 106,046.82

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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.