Home / 255,898.12-383,847.18-131,159.56

Finding the Fourth Proportional to 255,898.12, 383,847.18 and 131,159.56

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Solution

The fourth proportional to 255,898.12, 383,847.18 and 131,159.56 is: 196,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,898.12 : 383,847.18 = 131,159.56 : x
  2. Step 2: Convert to fraction form
    255,898.12/383,847.18 = 131,159.56/x
  3. Step 3: Cross multiply
    255,898.12x = 383,847.18 × 131,159.56
  4. Step 4: Simplify right side
    255,898.12x = 50,345,227,236.04
  5. Step 5: Solve for x
    x = 50,345,227,236.04/255,898.12
  6. Step 6: Final answer
    x = 196,739.34

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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.