Home / 216,183.15-298,304.78-120,693.87

Finding the Fourth Proportional to 216,183.15, 298,304.78 and 120,693.87

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Solution

The fourth proportional to 216,183.15, 298,304.78 and 120,693.87 is: 166,541.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,183.15 : 298,304.78 = 120,693.87 : x
  2. Step 2: Convert to fraction form
    216,183.15/298,304.78 = 120,693.87/x
  3. Step 3: Cross multiply
    216,183.15x = 298,304.78 × 120,693.87
  4. Step 4: Simplify right side
    216,183.15x = 36,003,557,734.23
  5. Step 5: Solve for x
    x = 36,003,557,734.23/216,183.15
  6. Step 6: Final answer
    x = 166,541.92

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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.