Home / 215,585.04-297,516.56-120,091.80

Finding the Fourth Proportional to 215,585.04, 297,516.56 and 120,091.80

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Solution

The fourth proportional to 215,585.04, 297,516.56 and 120,091.80 is: 165,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,585.04 : 297,516.56 = 120,091.80 : x
  2. Step 2: Convert to fraction form
    215,585.04/297,516.56 = 120,091.80/x
  3. Step 3: Cross multiply
    215,585.04x = 297,516.56 × 120,091.80
  4. Step 4: Simplify right side
    215,585.04x = 35,729,299,220.21
  5. Step 5: Solve for x
    x = 35,729,299,220.21/215,585.04
  6. Step 6: Final answer
    x = 165,731.81

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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.