Home / 179,252.64-268,712.72-79,359.52

Finding the Fourth Proportional to 179,252.64, 268,712.72 and 79,359.52

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Solution

The fourth proportional to 179,252.64, 268,712.72 and 79,359.52 is: 118,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,252.64 : 268,712.72 = 79,359.52 : x
  2. Step 2: Convert to fraction form
    179,252.64/268,712.72 = 79,359.52/x
  3. Step 3: Cross multiply
    179,252.64x = 268,712.72 × 79,359.52
  4. Step 4: Simplify right side
    179,252.64x = 21,324,912,477.09
  5. Step 5: Solve for x
    x = 21,324,912,477.09/179,252.64
  6. Step 6: Final answer
    x = 118,965.68

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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.