Home / 141,679.37-195,517.22-77,147.60

Finding the Fourth Proportional to 141,679.37, 195,517.22 and 77,147.60

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Solution

The fourth proportional to 141,679.37, 195,517.22 and 77,147.60 is: 106,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,679.37 : 195,517.22 = 77,147.60 : x
  2. Step 2: Convert to fraction form
    141,679.37/195,517.22 = 77,147.60/x
  3. Step 3: Cross multiply
    141,679.37x = 195,517.22 × 77,147.60
  4. Step 4: Simplify right side
    141,679.37x = 15,083,683,895.93
  5. Step 5: Solve for x
    x = 15,083,683,895.93/141,679.37
  6. Step 6: Final answer
    x = 106,463.52

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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.