Home / 120,287.58-180,448.11-50,150.76

Finding the Fourth Proportional to 120,287.58, 180,448.11 and 50,150.76

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Solution

The fourth proportional to 120,287.58, 180,448.11 and 50,150.76 is: 75,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,287.58 : 180,448.11 = 50,150.76 : x
  2. Step 2: Convert to fraction form
    120,287.58/180,448.11 = 50,150.76/x
  3. Step 3: Cross multiply
    120,287.58x = 180,448.11 × 50,150.76
  4. Step 4: Simplify right side
    120,287.58x = 9,049,609,857.06
  5. Step 5: Solve for x
    x = 9,049,609,857.06/120,287.58
  6. Step 6: Final answer
    x = 75,233.12

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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.