Home / 171,089.42-256,546.10-100,027.71

Finding the Fourth Proportional to 171,089.42, 256,546.10 and 100,027.71

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Solution

The fourth proportional to 171,089.42, 256,546.10 and 100,027.71 is: 149,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,089.42 : 256,546.10 = 100,027.71 : x
  2. Step 2: Convert to fraction form
    171,089.42/256,546.10 = 100,027.71/x
  3. Step 3: Cross multiply
    171,089.42x = 256,546.10 × 100,027.71
  4. Step 4: Simplify right side
    171,089.42x = 25,661,719,142.50
  5. Step 5: Solve for x
    x = 25,661,719,142.50/171,089.42
  6. Step 6: Final answer
    x = 149,990.10

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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.