Home / 216,451.24-298,659.96-120,939.48

Finding the Fourth Proportional to 216,451.24, 298,659.96 and 120,939.48

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Solution

The fourth proportional to 216,451.24, 298,659.96 and 120,939.48 is: 166,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,451.24 : 298,659.96 = 120,939.48 : x
  2. Step 2: Convert to fraction form
    216,451.24/298,659.96 = 120,939.48/x
  3. Step 3: Cross multiply
    216,451.24x = 298,659.96 × 120,939.48
  4. Step 4: Simplify right side
    216,451.24x = 36,119,780,259.22
  5. Step 5: Solve for x
    x = 36,119,780,259.22/216,451.24
  6. Step 6: Final answer
    x = 166,872.60

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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.