Home / 170,288.01-255,431.88-80,309.73

Finding the Fourth Proportional to 170,288.01, 255,431.88 and 80,309.73

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Solution

The fourth proportional to 170,288.01, 255,431.88 and 80,309.73 is: 120,464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,288.01 : 255,431.88 = 80,309.73 : x
  2. Step 2: Convert to fraction form
    170,288.01/255,431.88 = 80,309.73/x
  3. Step 3: Cross multiply
    170,288.01x = 255,431.88 × 80,309.73
  4. Step 4: Simplify right side
    170,288.01x = 20,513,665,316.19
  5. Step 5: Solve for x
    x = 20,513,665,316.19/170,288.01
  6. Step 6: Final answer
    x = 120,464.53

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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.