Home / 215,536.48-297,449.56-120,043.20

Finding the Fourth Proportional to 215,536.48, 297,449.56 and 120,043.20

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Solution

The fourth proportional to 215,536.48, 297,449.56 and 120,043.20 is: 165,664.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,536.48 : 297,449.56 = 120,043.20 : x
  2. Step 2: Convert to fraction form
    215,536.48/297,449.56 = 120,043.20/x
  3. Step 3: Cross multiply
    215,536.48x = 297,449.56 × 120,043.20
  4. Step 4: Simplify right side
    215,536.48x = 35,706,797,020.99
  5. Step 5: Solve for x
    x = 35,706,797,020.99/215,536.48
  6. Step 6: Final answer
    x = 165,664.75

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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.