Home / 167,865.13-251,573.10-82,345.24

Finding the Fourth Proportional to 167,865.13, 251,573.10 and 82,345.24

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Solution

The fourth proportional to 167,865.13, 251,573.10 and 82,345.24 is: 123,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,865.13 : 251,573.10 = 82,345.24 : x
  2. Step 2: Convert to fraction form
    167,865.13/251,573.10 = 82,345.24/x
  3. Step 3: Cross multiply
    167,865.13x = 251,573.10 × 82,345.24
  4. Step 4: Simplify right side
    167,865.13x = 20,715,846,359.32
  5. Step 5: Solve for x
    x = 20,715,846,359.32/167,865.13
  6. Step 6: Final answer
    x = 123,407.68

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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.