Home / 216,188.16-298,339.92-120,694.80

Finding the Fourth Proportional to 216,188.16, 298,339.92 and 120,694.80

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Solution

The fourth proportional to 216,188.16, 298,339.92 and 120,694.80 is: 166,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,188.16 : 298,339.92 = 120,694.80 : x
  2. Step 2: Convert to fraction form
    216,188.16/298,339.92 = 120,694.80/x
  3. Step 3: Cross multiply
    216,188.16x = 298,339.92 × 120,694.80
  4. Step 4: Simplify right side
    216,188.16x = 36,008,076,976.42
  5. Step 5: Solve for x
    x = 36,008,076,976.42/216,188.16
  6. Step 6: Final answer
    x = 166,558.97

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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.