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Finding the Fourth Proportional to 127,495.48, 175,940.22 and 69,350.29

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Solution

The fourth proportional to 127,495.48, 175,940.22 and 69,350.29 is: 95,701.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,495.48 : 175,940.22 = 69,350.29 : x
  2. Step 2: Convert to fraction form
    127,495.48/175,940.22 = 69,350.29/x
  3. Step 3: Cross multiply
    127,495.48x = 175,940.22 × 69,350.29
  4. Step 4: Simplify right side
    127,495.48x = 12,201,504,839.81
  5. Step 5: Solve for x
    x = 12,201,504,839.81/127,495.48
  6. Step 6: Final answer
    x = 95,701.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.