Home / 105,815.25-146,024.61-58,069.38

Finding the Fourth Proportional to 105,815.25, 146,024.61 and 58,069.38

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Solution

The fourth proportional to 105,815.25, 146,024.61 and 58,069.38 is: 80,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,815.25 : 146,024.61 = 58,069.38 : x
  2. Step 2: Convert to fraction form
    105,815.25/146,024.61 = 58,069.38/x
  3. Step 3: Cross multiply
    105,815.25x = 146,024.61 × 58,069.38
  4. Step 4: Simplify right side
    105,815.25x = 8,479,558,567.44
  5. Step 5: Solve for x
    x = 8,479,558,567.44/105,815.25
  6. Step 6: Final answer
    x = 80,135.51

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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.