Home / 139,339.28-209,027.10-50,579.84

Finding the Fourth Proportional to 139,339.28, 209,027.10 and 50,579.84

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Solution

The fourth proportional to 139,339.28, 209,027.10 and 50,579.84 is: 75,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,339.28 : 209,027.10 = 50,579.84 : x
  2. Step 2: Convert to fraction form
    139,339.28/209,027.10 = 50,579.84/x
  3. Step 3: Cross multiply
    139,339.28x = 209,027.10 × 50,579.84
  4. Step 4: Simplify right side
    139,339.28x = 10,572,557,273.66
  5. Step 5: Solve for x
    x = 10,572,557,273.66/139,339.28
  6. Step 6: Final answer
    x = 75,876.36

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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.