Home / 137,273.88-189,441.91-76,844.17

Finding the Fourth Proportional to 137,273.88, 189,441.91 and 76,844.17

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Solution

The fourth proportional to 137,273.88, 189,441.91 and 76,844.17 is: 106,047.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,273.88 : 189,441.91 = 76,844.17 : x
  2. Step 2: Convert to fraction form
    137,273.88/189,441.91 = 76,844.17/x
  3. Step 3: Cross multiply
    137,273.88x = 189,441.91 × 76,844.17
  4. Step 4: Simplify right side
    137,273.88x = 14,557,505,389.96
  5. Step 5: Solve for x
    x = 14,557,505,389.96/137,273.88
  6. Step 6: Final answer
    x = 106,047.16

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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.