Home / 148,827.31-205,383.87-80,845.56

Finding the Fourth Proportional to 148,827.31, 205,383.87 and 80,845.56

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Solution

The fourth proportional to 148,827.31, 205,383.87 and 80,845.56 is: 111,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,827.31 : 205,383.87 = 80,845.56 : x
  2. Step 2: Convert to fraction form
    148,827.31/205,383.87 = 80,845.56/x
  3. Step 3: Cross multiply
    148,827.31x = 205,383.87 × 80,845.56
  4. Step 4: Simplify right side
    148,827.31x = 16,604,373,985.12
  5. Step 5: Solve for x
    x = 16,604,373,985.12/148,827.31
  6. Step 6: Final answer
    x = 111,568.06

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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.