Home / 216,149.18-298,273.49-120,661.92

Finding the Fourth Proportional to 216,149.18, 298,273.49 and 120,661.92

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Solution

The fourth proportional to 216,149.18, 298,273.49 and 120,661.92 is: 166,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,149.18 : 298,273.49 = 120,661.92 : x
  2. Step 2: Convert to fraction form
    216,149.18/298,273.49 = 120,661.92/x
  3. Step 3: Cross multiply
    216,149.18x = 298,273.49 × 120,661.92
  4. Step 4: Simplify right side
    216,149.18x = 35,990,251,837.67
  5. Step 5: Solve for x
    x = 35,990,251,837.67/216,149.18
  6. Step 6: Final answer
    x = 166,506.54

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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.