Home / 211,528.62-291,917.52-120,885.48

Finding the Fourth Proportional to 211,528.62, 291,917.52 and 120,885.48

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Solution

The fourth proportional to 211,528.62, 291,917.52 and 120,885.48 is: 166,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,528.62 : 291,917.52 = 120,885.48 : x
  2. Step 2: Convert to fraction form
    211,528.62/291,917.52 = 120,885.48/x
  3. Step 3: Cross multiply
    211,528.62x = 291,917.52 × 120,885.48
  4. Step 4: Simplify right side
    211,528.62x = 35,288,589,525.61
  5. Step 5: Solve for x
    x = 35,288,589,525.61/211,528.62
  6. Step 6: Final answer
    x = 166,826.55

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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.