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Finding the Fourth Proportional to 147,033.60, 220,550.40 and 76,934.40

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Solution

The fourth proportional to 147,033.60, 220,550.40 and 76,934.40 is: 115,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,033.60 : 220,550.40 = 76,934.40 : x
  2. Step 2: Convert to fraction form
    147,033.60/220,550.40 = 76,934.40/x
  3. Step 3: Cross multiply
    147,033.60x = 220,550.40 × 76,934.40
  4. Step 4: Simplify right side
    147,033.60x = 16,967,912,693.76
  5. Step 5: Solve for x
    x = 16,967,912,693.76/147,033.60
  6. Step 6: Final answer
    x = 115,401.60

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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.