Home / 144,954.12-200,029.94-80,422.67

Finding the Fourth Proportional to 144,954.12, 200,029.94 and 80,422.67

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Solution

The fourth proportional to 144,954.12, 200,029.94 and 80,422.67 is: 110,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,954.12 : 200,029.94 = 80,422.67 : x
  2. Step 2: Convert to fraction form
    144,954.12/200,029.94 = 80,422.67/x
  3. Step 3: Cross multiply
    144,954.12x = 200,029.94 × 80,422.67
  4. Step 4: Simplify right side
    144,954.12x = 16,086,940,452.48
  5. Step 5: Solve for x
    x = 16,086,940,452.48/144,954.12
  6. Step 6: Final answer
    x = 110,979.53

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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.