Home / 139,926.36-209,757.30-55,738.50

Finding the Fourth Proportional to 139,926.36, 209,757.30 and 55,738.50

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Solution

The fourth proportional to 139,926.36, 209,757.30 and 55,738.50 is: 83,555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,926.36 : 209,757.30 = 55,738.50 : x
  2. Step 2: Convert to fraction form
    139,926.36/209,757.30 = 55,738.50/x
  3. Step 3: Cross multiply
    139,926.36x = 209,757.30 × 55,738.50
  4. Step 4: Simplify right side
    139,926.36x = 11,691,557,266.05
  5. Step 5: Solve for x
    x = 11,691,557,266.05/139,926.36
  6. Step 6: Final answer
    x = 83,555.07

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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.