Home / 120,287.08-180,447.36-50,150.26

Finding the Fourth Proportional to 120,287.08, 180,447.36 and 50,150.26

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Solution

The fourth proportional to 120,287.08, 180,447.36 and 50,150.26 is: 75,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,287.08 : 180,447.36 = 50,150.26 : x
  2. Step 2: Convert to fraction form
    120,287.08/180,447.36 = 50,150.26/x
  3. Step 3: Cross multiply
    120,287.08x = 180,447.36 × 50,150.26
  4. Step 4: Simplify right side
    120,287.08x = 9,049,482,020.31
  5. Step 5: Solve for x
    x = 9,049,482,020.31/120,287.08
  6. Step 6: Final answer
    x = 75,232.37

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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.