Home / 172,760.23-259,140.30-67,505.41

Finding the Fourth Proportional to 172,760.23, 259,140.30 and 67,505.41

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Solution

The fourth proportional to 172,760.23, 259,140.30 and 67,505.41 is: 101,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,760.23 : 259,140.30 = 67,505.41 : x
  2. Step 2: Convert to fraction form
    172,760.23/259,140.30 = 67,505.41/x
  3. Step 3: Cross multiply
    172,760.23x = 259,140.30 × 67,505.41
  4. Step 4: Simplify right side
    172,760.23x = 17,493,372,199.02
  5. Step 5: Solve for x
    x = 17,493,372,199.02/172,760.23
  6. Step 6: Final answer
    x = 101,258.10

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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.