Home / 144,509.44-199,418.90-79,981.32

Finding the Fourth Proportional to 144,509.44, 199,418.90 and 79,981.32

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Solution

The fourth proportional to 144,509.44, 199,418.90 and 79,981.32 is: 110,371.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,509.44 : 199,418.90 = 79,981.32 : x
  2. Step 2: Convert to fraction form
    144,509.44/199,418.90 = 79,981.32/x
  3. Step 3: Cross multiply
    144,509.44x = 199,418.90 × 79,981.32
  4. Step 4: Simplify right side
    144,509.44x = 15,949,787,919.88
  5. Step 5: Solve for x
    x = 15,949,787,919.88/144,509.44
  6. Step 6: Final answer
    x = 110,371.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.