Home / 215,585.44-297,507.36-120,091.20

Finding the Fourth Proportional to 215,585.44, 297,507.36 and 120,091.20

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Solution

The fourth proportional to 215,585.44, 297,507.36 and 120,091.20 is: 165,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,585.44 : 297,507.36 = 120,091.20 : x
  2. Step 2: Convert to fraction form
    215,585.44/297,507.36 = 120,091.20/x
  3. Step 3: Cross multiply
    215,585.44x = 297,507.36 × 120,091.20
  4. Step 4: Simplify right side
    215,585.44x = 35,728,015,871.23
  5. Step 5: Solve for x
    x = 35,728,015,871.23/215,585.44
  6. Step 6: Final answer
    x = 165,725.55

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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.