Home / 142,986.24-214,339.93-68,086.28

Finding the Fourth Proportional to 142,986.24, 214,339.93 and 68,086.28

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Solution

The fourth proportional to 142,986.24, 214,339.93 and 68,086.28 is: 102,063.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,986.24 : 214,339.93 = 68,086.28 : x
  2. Step 2: Convert to fraction form
    142,986.24/214,339.93 = 68,086.28/x
  3. Step 3: Cross multiply
    142,986.24x = 214,339.93 × 68,086.28
  4. Step 4: Simplify right side
    142,986.24x = 14,593,608,489.16
  5. Step 5: Solve for x
    x = 14,593,608,489.16/142,986.24
  6. Step 6: Final answer
    x = 102,063.03

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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.