Home / 216,331.36-298,507.62-120,825.88

Finding the Fourth Proportional to 216,331.36, 298,507.62 and 120,825.88

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Solution

The fourth proportional to 216,331.36, 298,507.62 and 120,825.88 is: 166,723.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,331.36 : 298,507.62 = 120,825.88 : x
  2. Step 2: Convert to fraction form
    216,331.36/298,507.62 = 120,825.88/x
  3. Step 3: Cross multiply
    216,331.36x = 298,507.62 × 120,825.88
  4. Step 4: Simplify right side
    216,331.36x = 36,067,445,873.21
  5. Step 5: Solve for x
    x = 36,067,445,873.21/216,331.36
  6. Step 6: Final answer
    x = 166,723.15

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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.