Home / 215,583.20-297,514.01-120,089.93

Finding the Fourth Proportional to 215,583.20, 297,514.01 and 120,089.93

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Solution

The fourth proportional to 215,583.20, 297,514.01 and 120,089.93 is: 165,729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,583.20 : 297,514.01 = 120,089.93 : x
  2. Step 2: Convert to fraction form
    215,583.20/297,514.01 = 120,089.93/x
  3. Step 3: Cross multiply
    215,583.20x = 297,514.01 × 120,089.93
  4. Step 4: Simplify right side
    215,583.20x = 35,728,436,634.92
  5. Step 5: Solve for x
    x = 35,728,436,634.92/215,583.20
  6. Step 6: Final answer
    x = 165,729.22

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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.