Home / 215,546.12-297,522.58-139,067.36

Finding the Fourth Proportional to 215,546.12, 297,522.58 and 139,067.36

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Solution

The fourth proportional to 215,546.12, 297,522.58 and 139,067.36 is: 191,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,546.12 : 297,522.58 = 139,067.36 : x
  2. Step 2: Convert to fraction form
    215,546.12/297,522.58 = 139,067.36/x
  3. Step 3: Cross multiply
    215,546.12x = 297,522.58 × 139,067.36
  4. Step 4: Simplify right side
    215,546.12x = 41,375,679,740.99
  5. Step 5: Solve for x
    x = 41,375,679,740.99/215,546.12
  6. Step 6: Final answer
    x = 191,957.43

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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.