Home / 148,945.48-205,544.37-80,962.45

Finding the Fourth Proportional to 148,945.48, 205,544.37 and 80,962.45

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Solution

The fourth proportional to 148,945.48, 205,544.37 and 80,962.45 is: 111,727.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,945.48 : 205,544.37 = 80,962.45 : x
  2. Step 2: Convert to fraction form
    148,945.48/205,544.37 = 80,962.45/x
  3. Step 3: Cross multiply
    148,945.48x = 205,544.37 × 80,962.45
  4. Step 4: Simplify right side
    148,945.48x = 16,641,375,374.09
  5. Step 5: Solve for x
    x = 16,641,375,374.09/148,945.48
  6. Step 6: Final answer
    x = 111,727.96

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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.