Home / 216,179.25-298,327.38-120,685.95

Finding the Fourth Proportional to 216,179.25, 298,327.38 and 120,685.95

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Solution

The fourth proportional to 216,179.25, 298,327.38 and 120,685.95 is: 166,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,179.25 : 298,327.38 = 120,685.95 : x
  2. Step 2: Convert to fraction form
    216,179.25/298,327.38 = 120,685.95/x
  3. Step 3: Cross multiply
    216,179.25x = 298,327.38 × 120,685.95
  4. Step 4: Simplify right side
    216,179.25x = 36,003,923,153.17
  5. Step 5: Solve for x
    x = 36,003,923,153.17/216,179.25
  6. Step 6: Final answer
    x = 166,546.62

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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.