Home / 148,454.12-204,866.94-80,471.09

Finding the Fourth Proportional to 148,454.12, 204,866.94 and 80,471.09

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Solution

The fourth proportional to 148,454.12, 204,866.94 and 80,471.09 is: 111,050.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,454.12 : 204,866.94 = 80,471.09 : x
  2. Step 2: Convert to fraction form
    148,454.12/204,866.94 = 80,471.09/x
  3. Step 3: Cross multiply
    148,454.12x = 204,866.94 × 80,471.09
  4. Step 4: Simplify right side
    148,454.12x = 16,485,864,942.43
  5. Step 5: Solve for x
    x = 16,485,864,942.43/148,454.12
  6. Step 6: Final answer
    x = 111,050.24

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1.5x scale

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.