Home / 123,076.75-169,845.93-66,488.14

Finding the Fourth Proportional to 123,076.75, 169,845.93 and 66,488.14

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Solution

The fourth proportional to 123,076.75, 169,845.93 and 66,488.14 is: 91,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,076.75 : 169,845.93 = 66,488.14 : x
  2. Step 2: Convert to fraction form
    123,076.75/169,845.93 = 66,488.14/x
  3. Step 3: Cross multiply
    123,076.75x = 169,845.93 × 66,488.14
  4. Step 4: Simplify right side
    123,076.75x = 11,292,739,972.27
  5. Step 5: Solve for x
    x = 11,292,739,972.27/123,076.75
  6. Step 6: Final answer
    x = 91,753.64

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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.