Home / 123,379.30-170,273.49-69,677.38

Finding the Fourth Proportional to 123,379.30, 170,273.49 and 69,677.38

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Solution

The fourth proportional to 123,379.30, 170,273.49 and 69,677.38 is: 96,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,379.30 : 170,273.49 = 69,677.38 : x
  2. Step 2: Convert to fraction form
    123,379.30/170,273.49 = 69,677.38/x
  3. Step 3: Cross multiply
    123,379.30x = 170,273.49 × 69,677.38
  4. Step 4: Simplify right side
    123,379.30x = 11,864,210,666.66
  5. Step 5: Solve for x
    x = 11,864,210,666.66/123,379.30
  6. Step 6: Final answer
    x = 96,160.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.