Home / 215,536.03-297,439.69-120,042.70

Finding the Fourth Proportional to 215,536.03, 297,439.69 and 120,042.70

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Solution

The fourth proportional to 215,536.03, 297,439.69 and 120,042.70 is: 165,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,536.03 : 297,439.69 = 120,042.70 : x
  2. Step 2: Convert to fraction form
    215,536.03/297,439.69 = 120,042.70/x
  3. Step 3: Cross multiply
    215,536.03x = 297,439.69 × 120,042.70
  4. Step 4: Simplify right side
    215,536.03x = 35,705,463,474.76
  5. Step 5: Solve for x
    x = 35,705,463,474.76/215,536.03
  6. Step 6: Final answer
    x = 165,658.91

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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.