Home / 171,406.10-257,109.15-82,832.60

Finding the Fourth Proportional to 171,406.10, 257,109.15 and 82,832.60

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Solution

The fourth proportional to 171,406.10, 257,109.15 and 82,832.60 is: 124,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,406.10 : 257,109.15 = 82,832.60 : x
  2. Step 2: Convert to fraction form
    171,406.10/257,109.15 = 82,832.60/x
  3. Step 3: Cross multiply
    171,406.10x = 257,109.15 × 82,832.60
  4. Step 4: Simplify right side
    171,406.10x = 21,297,019,378.29
  5. Step 5: Solve for x
    x = 21,297,019,378.29/171,406.10
  6. Step 6: Final answer
    x = 124,248.90

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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.