Home / 148,161.31-204,462.60-80,178.28

Finding the Fourth Proportional to 148,161.31, 204,462.60 and 80,178.28

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Solution

The fourth proportional to 148,161.31, 204,462.60 and 80,178.28 is: 110,646.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,161.31 : 204,462.60 = 80,178.28 : x
  2. Step 2: Convert to fraction form
    148,161.31/204,462.60 = 80,178.28/x
  3. Step 3: Cross multiply
    148,161.31x = 204,462.60 × 80,178.28
  4. Step 4: Simplify right side
    148,161.31x = 16,393,458,169.12
  5. Step 5: Solve for x
    x = 16,393,458,169.12/148,161.31
  6. Step 6: Final answer
    x = 110,646.02

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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.