Home / 216,107.06-298,228.10-120,613.73

Finding the Fourth Proportional to 216,107.06, 298,228.10 and 120,613.73

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Solution

The fourth proportional to 216,107.06, 298,228.10 and 120,613.73 is: 166,447.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,107.06 : 298,228.10 = 120,613.73 : x
  2. Step 2: Convert to fraction form
    216,107.06/298,228.10 = 120,613.73/x
  3. Step 3: Cross multiply
    216,107.06x = 298,228.10 × 120,613.73
  4. Step 4: Simplify right side
    216,107.06x = 35,970,401,437.60
  5. Step 5: Solve for x
    x = 35,970,401,437.60/216,107.06
  6. Step 6: Final answer
    x = 166,447.14

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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.