Home / 139,947.24-209,932.14-43,877.88

Finding the Fourth Proportional to 139,947.24, 209,932.14 and 43,877.88

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Solution

The fourth proportional to 139,947.24, 209,932.14 and 43,877.88 is: 65,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,947.24 : 209,932.14 = 43,877.88 : x
  2. Step 2: Convert to fraction form
    139,947.24/209,932.14 = 43,877.88/x
  3. Step 3: Cross multiply
    139,947.24x = 209,932.14 × 43,877.88
  4. Step 4: Simplify right side
    139,947.24x = 9,211,377,247.06
  5. Step 5: Solve for x
    x = 9,211,377,247.06/139,947.24
  6. Step 6: Final answer
    x = 65,820.36

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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.