Home / 176,786.40-264,949.20-82,005.60

Finding the Fourth Proportional to 176,786.40, 264,949.20 and 82,005.60

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Solution

The fourth proportional to 176,786.40, 264,949.20 and 82,005.60 is: 122,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,786.40 : 264,949.20 = 82,005.60 : x
  2. Step 2: Convert to fraction form
    176,786.40/264,949.20 = 82,005.60/x
  3. Step 3: Cross multiply
    176,786.40x = 264,949.20 × 82,005.60
  4. Step 4: Simplify right side
    176,786.40x = 21,727,318,115.52
  5. Step 5: Solve for x
    x = 21,727,318,115.52/176,786.40
  6. Step 6: Final answer
    x = 122,901.52

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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.