Home / 123,107.24-169,887.92-66,518.60

Finding the Fourth Proportional to 123,107.24, 169,887.92 and 66,518.60

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Solution

The fourth proportional to 123,107.24, 169,887.92 and 66,518.60 is: 91,795.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,107.24 : 169,887.92 = 66,518.60 : x
  2. Step 2: Convert to fraction form
    123,107.24/169,887.92 = 66,518.60/x
  3. Step 3: Cross multiply
    123,107.24x = 169,887.92 × 66,518.60
  4. Step 4: Simplify right side
    123,107.24x = 11,300,706,595.31
  5. Step 5: Solve for x
    x = 11,300,706,595.31/123,107.24
  6. Step 6: Final answer
    x = 91,795.63

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