Home / 144,647.32-199,634.26-80,989.22

Finding the Fourth Proportional to 144,647.32, 199,634.26 and 80,989.22

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Solution

The fourth proportional to 144,647.32, 199,634.26 and 80,989.22 is: 111,776.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,647.32 : 199,634.26 = 80,989.22 : x
  2. Step 2: Convert to fraction form
    144,647.32/199,634.26 = 80,989.22/x
  3. Step 3: Cross multiply
    144,647.32x = 199,634.26 × 80,989.22
  4. Step 4: Simplify right side
    144,647.32x = 16,168,223,002.68
  5. Step 5: Solve for x
    x = 16,168,223,002.68/144,647.32
  6. Step 6: Final answer
    x = 111,776.86

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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.