Home / 209,789.80-314,685-160,151.73

Finding the Fourth Proportional to 209,789.80, 314,685 and 160,151.73

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Solution

The fourth proportional to 209,789.80, 314,685 and 160,151.73 is: 240,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,789.80 : 314,685 = 160,151.73 : x
  2. Step 2: Convert to fraction form
    209,789.80/314,685 = 160,151.73/x
  3. Step 3: Cross multiply
    209,789.80x = 314,685 × 160,151.73
  4. Step 4: Simplify right side
    209,789.80x = 50,397,347,745.08
  5. Step 5: Solve for x
    x = 50,397,347,745.08/209,789.80
  6. Step 6: Final answer
    x = 240,227.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.