Home / 120,022.77-180,031.84-35,839.97

Finding the Fourth Proportional to 120,022.77, 180,031.84 and 35,839.97

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Solution

The fourth proportional to 120,022.77, 180,031.84 and 35,839.97 is: 53,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,022.77 : 180,031.84 = 35,839.97 : x
  2. Step 2: Convert to fraction form
    120,022.77/180,031.84 = 35,839.97/x
  3. Step 3: Cross multiply
    120,022.77x = 180,031.84 × 35,839.97
  4. Step 4: Simplify right side
    120,022.77x = 6,452,336,105.12
  5. Step 5: Solve for x
    x = 6,452,336,105.12/120,022.77
  6. Step 6: Final answer
    x = 53,759.27

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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.