Home / 215,964.32-298,053.84-120,504.16

Finding the Fourth Proportional to 215,964.32, 298,053.84 and 120,504.16

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Solution

The fourth proportional to 215,964.32, 298,053.84 and 120,504.16 is: 166,308.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,964.32 : 298,053.84 = 120,504.16 : x
  2. Step 2: Convert to fraction form
    215,964.32/298,053.84 = 120,504.16/x
  3. Step 3: Cross multiply
    215,964.32x = 298,053.84 × 120,504.16
  4. Step 4: Simplify right side
    215,964.32x = 35,916,727,623.97
  5. Step 5: Solve for x
    x = 35,916,727,623.97/215,964.32
  6. Step 6: Final answer
    x = 166,308.62

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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.