Home / 139,735.20-209,538.24-44,947.80

Finding the Fourth Proportional to 139,735.20, 209,538.24 and 44,947.80

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Solution

The fourth proportional to 139,735.20, 209,538.24 and 44,947.80 is: 67,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,735.20 : 209,538.24 = 44,947.80 : x
  2. Step 2: Convert to fraction form
    139,735.20/209,538.24 = 44,947.80/x
  3. Step 3: Cross multiply
    139,735.20x = 209,538.24 × 44,947.80
  4. Step 4: Simplify right side
    139,735.20x = 9,418,282,903.87
  5. Step 5: Solve for x
    x = 9,418,282,903.87/139,735.20
  6. Step 6: Final answer
    x = 67,400.93

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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.