Home / 215,516.16-297,383.04-120,003.84

Finding the Fourth Proportional to 215,516.16, 297,383.04 and 120,003.84

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Solution

The fourth proportional to 215,516.16, 297,383.04 and 120,003.84 is: 165,589.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,516.16 : 297,383.04 = 120,003.84 : x
  2. Step 2: Convert to fraction form
    215,516.16/297,383.04 = 120,003.84/x
  3. Step 3: Cross multiply
    215,516.16x = 297,383.04 × 120,003.84
  4. Step 4: Simplify right side
    215,516.16x = 35,687,106,750.87
  5. Step 5: Solve for x
    x = 35,687,106,750.87/215,516.16
  6. Step 6: Final answer
    x = 165,589.01

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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.