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Finding the Fourth Proportional to 127,224.60, 190,909.80 and 48,395.40

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Solution

The fourth proportional to 127,224.60, 190,909.80 and 48,395.40 is: 72,620.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,224.60 : 190,909.80 = 48,395.40 : x
  2. Step 2: Convert to fraction form
    127,224.60/190,909.80 = 48,395.40/x
  3. Step 3: Cross multiply
    127,224.60x = 190,909.80 × 48,395.40
  4. Step 4: Simplify right side
    127,224.60x = 9,239,156,134.92
  5. Step 5: Solve for x
    x = 9,239,156,134.92/127,224.60
  6. Step 6: Final answer
    x = 72,620.83

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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.