Home / 123,562.30-170,514.12-69,845.44

Finding the Fourth Proportional to 123,562.30, 170,514.12 and 69,845.44

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Solution

The fourth proportional to 123,562.30, 170,514.12 and 69,845.44 is: 96,385.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,562.30 : 170,514.12 = 69,845.44 : x
  2. Step 2: Convert to fraction form
    123,562.30/170,514.12 = 69,845.44/x
  3. Step 3: Cross multiply
    123,562.30x = 170,514.12 × 69,845.44
  4. Step 4: Simplify right side
    123,562.30x = 11,909,633,311.33
  5. Step 5: Solve for x
    x = 11,909,633,311.33/123,562.30
  6. Step 6: Final answer
    x = 96,385.66

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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.