Home / 175,789.08-263,464.31-85,757.58

Finding the Fourth Proportional to 175,789.08, 263,464.31 and 85,757.58

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Solution

The fourth proportional to 175,789.08, 263,464.31 and 85,757.58 is: 128,529.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,789.08 : 263,464.31 = 85,757.58 : x
  2. Step 2: Convert to fraction form
    175,789.08/263,464.31 = 85,757.58/x
  3. Step 3: Cross multiply
    175,789.08x = 263,464.31 × 85,757.58
  4. Step 4: Simplify right side
    175,789.08x = 22,594,061,856.36
  5. Step 5: Solve for x
    x = 22,594,061,856.36/175,789.08
  6. Step 6: Final answer
    x = 128,529.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.