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Finding the Fourth Proportional to 179,709.60, 269,564.40 and 123,722.40

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Solution

The fourth proportional to 179,709.60, 269,564.40 and 123,722.40 is: 185,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,709.60 : 269,564.40 = 123,722.40 : x
  2. Step 2: Convert to fraction form
    179,709.60/269,564.40 = 123,722.40/x
  3. Step 3: Cross multiply
    179,709.60x = 269,564.40 × 123,722.40
  4. Step 4: Simplify right side
    179,709.60x = 33,351,154,522.56
  5. Step 5: Solve for x
    x = 33,351,154,522.56/179,709.60
  6. Step 6: Final answer
    x = 185,583.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.