Home / 105,986.26-146,219.13-68,282.50

Finding the Fourth Proportional to 105,986.26, 146,219.13 and 68,282.50

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Solution

The fourth proportional to 105,986.26, 146,219.13 and 68,282.50 is: 94,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,986.26 : 146,219.13 = 68,282.50 : x
  2. Step 2: Convert to fraction form
    105,986.26/146,219.13 = 68,282.50/x
  3. Step 3: Cross multiply
    105,986.26x = 146,219.13 × 68,282.50
  4. Step 4: Simplify right side
    105,986.26x = 9,984,207,744.23
  5. Step 5: Solve for x
    x = 9,984,207,744.23/105,986.26
  6. Step 6: Final answer
    x = 94,202.85

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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.