Home / 215,548.24-297,448.86-120,049.78

Finding the Fourth Proportional to 215,548.24, 297,448.86 and 120,049.78

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Solution

The fourth proportional to 215,548.24, 297,448.86 and 120,049.78 is: 165,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,548.24 : 297,448.86 = 120,049.78 : x
  2. Step 2: Convert to fraction form
    215,548.24/297,448.86 = 120,049.78/x
  3. Step 3: Cross multiply
    215,548.24x = 297,448.86 × 120,049.78
  4. Step 4: Simplify right side
    215,548.24x = 35,708,670,204.25
  5. Step 5: Solve for x
    x = 35,708,670,204.25/215,548.24
  6. Step 6: Final answer
    x = 165,664.40

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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.