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Finding the Fourth Proportional to 118,539.20, 177,722.40 and 48,382.40

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Solution

The fourth proportional to 118,539.20, 177,722.40 and 48,382.40 is: 72,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,539.20 : 177,722.40 = 48,382.40 : x
  2. Step 2: Convert to fraction form
    118,539.20/177,722.40 = 48,382.40/x
  3. Step 3: Cross multiply
    118,539.20x = 177,722.40 × 48,382.40
  4. Step 4: Simplify right side
    118,539.20x = 8,598,636,245.76
  5. Step 5: Solve for x
    x = 8,598,636,245.76/118,539.20
  6. Step 6: Final answer
    x = 72,538.34

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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.