Home / 216,472.85-298,733.00-120,979.55

Finding the Fourth Proportional to 216,472.85, 298,733.00 and 120,979.55

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Solution

The fourth proportional to 216,472.85, 298,733.00 and 120,979.55 is: 166,952.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,472.85 : 298,733.00 = 120,979.55 : x
  2. Step 2: Convert to fraction form
    216,472.85/298,733.00 = 120,979.55/x
  3. Step 3: Cross multiply
    216,472.85x = 298,733.00 × 120,979.55
  4. Step 4: Simplify right side
    216,472.85x = 36,140,584,052.08
  5. Step 5: Solve for x
    x = 36,140,584,052.08/216,472.85
  6. Step 6: Final answer
    x = 166,952.04

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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.