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Finding the Fourth Proportional to 127,165.50, 190,782.27 and 44,059.50

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Solution

The fourth proportional to 127,165.50, 190,782.27 and 44,059.50 is: 66,101.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,165.50 : 190,782.27 = 44,059.50 : x
  2. Step 2: Convert to fraction form
    127,165.50/190,782.27 = 44,059.50/x
  3. Step 3: Cross multiply
    127,165.50x = 190,782.27 × 44,059.50
  4. Step 4: Simplify right side
    127,165.50x = 8,405,771,425.07
  5. Step 5: Solve for x
    x = 8,405,771,425.07/127,165.50
  6. Step 6: Final answer
    x = 66,101.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.