Home / 215,585.16-297,516.72-120,091.92

Finding the Fourth Proportional to 215,585.16, 297,516.72 and 120,091.92

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Solution

The fourth proportional to 215,585.16, 297,516.72 and 120,091.92 is: 165,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,585.16 : 297,516.72 = 120,091.92 : x
  2. Step 2: Convert to fraction form
    215,585.16/297,516.72 = 120,091.92/x
  3. Step 3: Cross multiply
    215,585.16x = 297,516.72 × 120,091.92
  4. Step 4: Simplify right side
    215,585.16x = 35,729,354,136.90
  5. Step 5: Solve for x
    x = 35,729,354,136.90/215,585.16
  6. Step 6: Final answer
    x = 165,731.97

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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.