Home / 148,361.75-204,739.22-81,292.31

Finding the Fourth Proportional to 148,361.75, 204,739.22 and 81,292.31

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Solution

The fourth proportional to 148,361.75, 204,739.22 and 81,292.31 is: 112,183.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,361.75 : 204,739.22 = 81,292.31 : x
  2. Step 2: Convert to fraction form
    148,361.75/204,739.22 = 81,292.31/x
  3. Step 3: Cross multiply
    148,361.75x = 204,739.22 × 81,292.31
  4. Step 4: Simplify right side
    148,361.75x = 16,643,724,141.40
  5. Step 5: Solve for x
    x = 16,643,724,141.40/148,361.75
  6. Step 6: Final answer
    x = 112,183.39

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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.