Home / 179,490.30-268,907.40-109,287.60

Finding the Fourth Proportional to 179,490.30, 268,907.40 and 109,287.60

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Solution

The fourth proportional to 179,490.30, 268,907.40 and 109,287.60 is: 163,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,490.30 : 268,907.40 = 109,287.60 : x
  2. Step 2: Convert to fraction form
    179,490.30/268,907.40 = 109,287.60/x
  3. Step 3: Cross multiply
    179,490.30x = 268,907.40 × 109,287.60
  4. Step 4: Simplify right side
    179,490.30x = 29,388,244,368.24
  5. Step 5: Solve for x
    x = 29,388,244,368.24/179,490.30
  6. Step 6: Final answer
    x = 163,731.66

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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.