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Finding the Fourth Proportional to 179,670.60, 269,603.10 and 74,500.20

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Solution

The fourth proportional to 179,670.60, 269,603.10 and 74,500.20 is: 111,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,670.60 : 269,603.10 = 74,500.20 : x
  2. Step 2: Convert to fraction form
    179,670.60/269,603.10 = 74,500.20/x
  3. Step 3: Cross multiply
    179,670.60x = 269,603.10 × 74,500.20
  4. Step 4: Simplify right side
    179,670.60x = 20,085,484,870.62
  5. Step 5: Solve for x
    x = 20,085,484,870.62/179,670.60
  6. Step 6: Final answer
    x = 111,790.60

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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.