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Finding the Fourth Proportional to 111,520.60, 167,225.52 and 40,440.40

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Solution

The fourth proportional to 111,520.60, 167,225.52 and 40,440.40 is: 60,640.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,520.60 : 167,225.52 = 40,440.40 : x
  2. Step 2: Convert to fraction form
    111,520.60/167,225.52 = 40,440.40/x
  3. Step 3: Cross multiply
    111,520.60x = 167,225.52 × 40,440.40
  4. Step 4: Simplify right side
    111,520.60x = 6,762,666,919.01
  5. Step 5: Solve for x
    x = 6,762,666,919.01/111,520.60
  6. Step 6: Final answer
    x = 60,640.52

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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.