Home / 148,273.87-204,618.91-80,290.85

Finding the Fourth Proportional to 148,273.87, 204,618.91 and 80,290.85

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Solution

The fourth proportional to 148,273.87, 204,618.91 and 80,290.85 is: 110,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,273.87 : 204,618.91 = 80,290.85 : x
  2. Step 2: Convert to fraction form
    148,273.87/204,618.91 = 80,290.85/x
  3. Step 3: Cross multiply
    148,273.87x = 204,618.91 × 80,290.85
  4. Step 4: Simplify right side
    148,273.87x = 16,429,024,785.42
  5. Step 5: Solve for x
    x = 16,429,024,785.42/148,273.87
  6. Step 6: Final answer
    x = 110,801.89

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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.