Home / 171,168.28-256,775.79-71,305.12

Finding the Fourth Proportional to 171,168.28, 256,775.79 and 71,305.12

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Solution

The fourth proportional to 171,168.28, 256,775.79 and 71,305.12 is: 106,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,168.28 : 256,775.79 = 71,305.12 : x
  2. Step 2: Convert to fraction form
    171,168.28/256,775.79 = 71,305.12/x
  3. Step 3: Cross multiply
    171,168.28x = 256,775.79 × 71,305.12
  4. Step 4: Simplify right side
    171,168.28x = 18,309,427,435.83
  5. Step 5: Solve for x
    x = 18,309,427,435.83/171,168.28
  6. Step 6: Final answer
    x = 106,967.41

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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.