Home / 213,545.80-294,707.10-122,912.92

Finding the Fourth Proportional to 213,545.80, 294,707.10 and 122,912.92

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Solution

The fourth proportional to 213,545.80, 294,707.10 and 122,912.92 is: 169,627.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,545.80 : 294,707.10 = 122,912.92 : x
  2. Step 2: Convert to fraction form
    213,545.80/294,707.10 = 122,912.92/x
  3. Step 3: Cross multiply
    213,545.80x = 294,707.10 × 122,912.92
  4. Step 4: Simplify right side
    213,545.80x = 36,223,310,205.73
  5. Step 5: Solve for x
    x = 36,223,310,205.73/213,545.80
  6. Step 6: Final answer
    x = 169,627.83

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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.