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Finding the Fourth Proportional to 109,329.60, 163,994.40 and 54,033.60

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Solution

The fourth proportional to 109,329.60, 163,994.40 and 54,033.60 is: 81,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,329.60 : 163,994.40 = 54,033.60 : x
  2. Step 2: Convert to fraction form
    109,329.60/163,994.40 = 54,033.60/x
  3. Step 3: Cross multiply
    109,329.60x = 163,994.40 × 54,033.60
  4. Step 4: Simplify right side
    109,329.60x = 8,861,207,811.84
  5. Step 5: Solve for x
    x = 8,861,207,811.84/109,329.60
  6. Step 6: Final answer
    x = 81,050.40

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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.