Home / 171,035.80-256,164.90-87,832.60

Finding the Fourth Proportional to 171,035.80, 256,164.90 and 87,832.60

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Solution

The fourth proportional to 171,035.80, 256,164.90 and 87,832.60 is: 131,549.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,035.80 : 256,164.90 = 87,832.60 : x
  2. Step 2: Convert to fraction form
    171,035.80/256,164.90 = 87,832.60/x
  3. Step 3: Cross multiply
    171,035.80x = 256,164.90 × 87,832.60
  4. Step 4: Simplify right side
    171,035.80x = 22,499,629,195.74
  5. Step 5: Solve for x
    x = 22,499,629,195.74/171,035.80
  6. Step 6: Final answer
    x = 131,549.24

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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.