Home / 120,015.41-180,023.04-31,268.70

Finding the Fourth Proportional to 120,015.41, 180,023.04 and 31,268.70

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Solution

The fourth proportional to 120,015.41, 180,023.04 and 31,268.70 is: 46,903.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,015.41 : 180,023.04 = 31,268.70 : x
  2. Step 2: Convert to fraction form
    120,015.41/180,023.04 = 31,268.70/x
  3. Step 3: Cross multiply
    120,015.41x = 180,023.04 × 31,268.70
  4. Step 4: Simplify right side
    120,015.41x = 5,629,086,430.85
  5. Step 5: Solve for x
    x = 5,629,086,430.85/120,015.41
  6. Step 6: Final answer
    x = 46,903.03

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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.