Home / 166,822.80-250,234.20-156,981.30

Finding the Fourth Proportional to 166,822.80, 250,234.20 and 156,981.30

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Solution

The fourth proportional to 166,822.80, 250,234.20 and 156,981.30 is: 235,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,822.80 : 250,234.20 = 156,981.30 : x
  2. Step 2: Convert to fraction form
    166,822.80/250,234.20 = 156,981.30/x
  3. Step 3: Cross multiply
    166,822.80x = 250,234.20 × 156,981.30
  4. Step 4: Simplify right side
    166,822.80x = 39,282,090,020.46
  5. Step 5: Solve for x
    x = 39,282,090,020.46/166,822.80
  6. Step 6: Final answer
    x = 235,471.95

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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.