Home / 156,015.20-234,022.80-140,268.80

Finding the Fourth Proportional to 156,015.20, 234,022.80 and 140,268.80

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Solution

The fourth proportional to 156,015.20, 234,022.80 and 140,268.80 is: 210,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,015.20 : 234,022.80 = 140,268.80 : x
  2. Step 2: Convert to fraction form
    156,015.20/234,022.80 = 140,268.80/x
  3. Step 3: Cross multiply
    156,015.20x = 234,022.80 × 140,268.80
  4. Step 4: Simplify right side
    156,015.20x = 32,826,097,328.64
  5. Step 5: Solve for x
    x = 32,826,097,328.64/156,015.20
  6. Step 6: Final answer
    x = 210,403.20

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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.