Home / 215,739.60-297,722.04-120,252.36

Finding the Fourth Proportional to 215,739.60, 297,722.04 and 120,252.36

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Solution

The fourth proportional to 215,739.60, 297,722.04 and 120,252.36 is: 165,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,739.60 : 297,722.04 = 120,252.36 : x
  2. Step 2: Convert to fraction form
    215,739.60/297,722.04 = 120,252.36/x
  3. Step 3: Cross multiply
    215,739.60x = 297,722.04 × 120,252.36
  4. Step 4: Simplify right side
    215,739.60x = 35,801,777,934.01
  5. Step 5: Solve for x
    x = 35,801,777,934.01/215,739.60
  6. Step 6: Final answer
    x = 165,949.03

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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.