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Finding the Fourth Proportional to 127,220.40, 190,830.60 and 44,114.40

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Solution

The fourth proportional to 127,220.40, 190,830.60 and 44,114.40 is: 66,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,220.40 : 190,830.60 = 44,114.40 : x
  2. Step 2: Convert to fraction form
    127,220.40/190,830.60 = 44,114.40/x
  3. Step 3: Cross multiply
    127,220.40x = 190,830.60 × 44,114.40
  4. Step 4: Simplify right side
    127,220.40x = 8,418,377,420.64
  5. Step 5: Solve for x
    x = 8,418,377,420.64/127,220.40
  6. Step 6: Final answer
    x = 66,171.60

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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.