Home / 124,930.30-187,414.86-40,670.66

Finding the Fourth Proportional to 124,930.30, 187,414.86 and 40,670.66

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Solution

The fourth proportional to 124,930.30, 187,414.86 and 40,670.66 is: 61,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,930.30 : 187,414.86 = 40,670.66 : x
  2. Step 2: Convert to fraction form
    124,930.30/187,414.86 = 40,670.66/x
  3. Step 3: Cross multiply
    124,930.30x = 187,414.86 × 40,670.66
  4. Step 4: Simplify right side
    124,930.30x = 7,622,285,616.85
  5. Step 5: Solve for x
    x = 7,622,285,616.85/124,930.30
  6. Step 6: Final answer
    x = 61,012.31

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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.