Home / 139,426.75-209,145.03-44,659.81

Finding the Fourth Proportional to 139,426.75, 209,145.03 and 44,659.81

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Solution

The fourth proportional to 139,426.75, 209,145.03 and 44,659.81 is: 66,991.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,426.75 : 209,145.03 = 44,659.81 : x
  2. Step 2: Convert to fraction form
    139,426.75/209,145.03 = 44,659.81/x
  3. Step 3: Cross multiply
    139,426.75x = 209,145.03 × 44,659.81
  4. Step 4: Simplify right side
    139,426.75x = 9,340,377,302.24
  5. Step 5: Solve for x
    x = 9,340,377,302.24/139,426.75
  6. Step 6: Final answer
    x = 66,991.29

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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.