Home / 142,736.61-214,106.94-67,864.44

Finding the Fourth Proportional to 142,736.61, 214,106.94 and 67,864.44

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Solution

The fourth proportional to 142,736.61, 214,106.94 and 67,864.44 is: 101,797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,736.61 : 214,106.94 = 67,864.44 : x
  2. Step 2: Convert to fraction form
    142,736.61/214,106.94 = 67,864.44/x
  3. Step 3: Cross multiply
    142,736.61x = 214,106.94 × 67,864.44
  4. Step 4: Simplify right side
    142,736.61x = 14,530,247,583.21
  5. Step 5: Solve for x
    x = 14,530,247,583.21/142,736.61
  6. Step 6: Final answer
    x = 101,797.62

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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.