Home / 216,190.80-298,342.53-120,696.66

Finding the Fourth Proportional to 216,190.80, 298,342.53 and 120,696.66

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Solution

The fourth proportional to 216,190.80, 298,342.53 and 120,696.66 is: 166,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,190.80 : 298,342.53 = 120,696.66 : x
  2. Step 2: Convert to fraction form
    216,190.80/298,342.53 = 120,696.66/x
  3. Step 3: Cross multiply
    216,190.80x = 298,342.53 × 120,696.66
  4. Step 4: Simplify right side
    216,190.80x = 36,008,946,906.95
  5. Step 5: Solve for x
    x = 36,008,946,906.95/216,190.80
  6. Step 6: Final answer
    x = 166,560.96

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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.