Home / 120,217.22-180,342.23-50,080.13

Finding the Fourth Proportional to 120,217.22, 180,342.23 and 50,080.13

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Solution

The fourth proportional to 120,217.22, 180,342.23 and 50,080.13 is: 75,127.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,217.22 : 180,342.23 = 50,080.13 : x
  2. Step 2: Convert to fraction form
    120,217.22/180,342.23 = 50,080.13/x
  3. Step 3: Cross multiply
    120,217.22x = 180,342.23 × 50,080.13
  4. Step 4: Simplify right side
    120,217.22x = 9,031,561,170.78
  5. Step 5: Solve for x
    x = 9,031,561,170.78/120,217.22
  6. Step 6: Final answer
    x = 75,127.02

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1.5x scale

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.