Home / 188,298.21-282,426.64-55,179.78

Finding the Fourth Proportional to 188,298.21, 282,426.64 and 55,179.78

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Solution

The fourth proportional to 188,298.21, 282,426.64 and 55,179.78 is: 82,763.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,298.21 : 282,426.64 = 55,179.78 : x
  2. Step 2: Convert to fraction form
    188,298.21/282,426.64 = 55,179.78/x
  3. Step 3: Cross multiply
    188,298.21x = 282,426.64 × 55,179.78
  4. Step 4: Simplify right side
    188,298.21x = 15,584,239,861.34
  5. Step 5: Solve for x
    x = 15,584,239,861.34/188,298.21
  6. Step 6: Final answer
    x = 82,763.61

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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.