Home / 120,288.08-180,448.86-50,151.26

Finding the Fourth Proportional to 120,288.08, 180,448.86 and 50,151.26

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Solution

The fourth proportional to 120,288.08, 180,448.86 and 50,151.26 is: 75,233.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,288.08 : 180,448.86 = 50,151.26 : x
  2. Step 2: Convert to fraction form
    120,288.08/180,448.86 = 50,151.26/x
  3. Step 3: Cross multiply
    120,288.08x = 180,448.86 × 50,151.26
  4. Step 4: Simplify right side
    120,288.08x = 9,049,737,694.56
  5. Step 5: Solve for x
    x = 9,049,737,694.56/120,288.08
  6. Step 6: Final answer
    x = 75,233.87

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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.