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Finding the Fourth Proportional to 124,420.30, 186,630.45 and 73,900.60

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Solution

The fourth proportional to 124,420.30, 186,630.45 and 73,900.60 is: 110,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,420.30 : 186,630.45 = 73,900.60 : x
  2. Step 2: Convert to fraction form
    124,420.30/186,630.45 = 73,900.60/x
  3. Step 3: Cross multiply
    124,420.30x = 186,630.45 × 73,900.60
  4. Step 4: Simplify right side
    124,420.30x = 13,792,102,233.27
  5. Step 5: Solve for x
    x = 13,792,102,233.27/124,420.30
  6. Step 6: Final answer
    x = 110,850.90

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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.