Home / 215,724.88-297,629.96-120,213.52

Finding the Fourth Proportional to 215,724.88, 297,629.96 and 120,213.52

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Solution

The fourth proportional to 215,724.88, 297,629.96 and 120,213.52 is: 165,855.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,724.88 : 297,629.96 = 120,213.52 : x
  2. Step 2: Convert to fraction form
    215,724.88/297,629.96 = 120,213.52/x
  3. Step 3: Cross multiply
    215,724.88x = 297,629.96 × 120,213.52
  4. Step 4: Simplify right side
    215,724.88x = 35,779,145,149.06
  5. Step 5: Solve for x
    x = 35,779,145,149.06/215,724.88
  6. Step 6: Final answer
    x = 165,855.44

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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.