Home / 123,019.02-169,768.08-68,571.18

Finding the Fourth Proportional to 123,019.02, 169,768.08 and 68,571.18

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Solution

The fourth proportional to 123,019.02, 169,768.08 and 68,571.18 is: 94,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,019.02 : 169,768.08 = 68,571.18 : x
  2. Step 2: Convert to fraction form
    123,019.02/169,768.08 = 68,571.18/x
  3. Step 3: Cross multiply
    123,019.02x = 169,768.08 × 68,571.18
  4. Step 4: Simplify right side
    123,019.02x = 11,641,197,571.93
  5. Step 5: Solve for x
    x = 11,641,197,571.93/123,019.02
  6. Step 6: Final answer
    x = 94,629.25

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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.