Home / 240,148.86-331,406.46-131,255.40

Finding the Fourth Proportional to 240,148.86, 331,406.46 and 131,255.40

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Solution

The fourth proportional to 240,148.86, 331,406.46 and 131,255.40 is: 181,133.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,148.86 : 331,406.46 = 131,255.40 : x
  2. Step 2: Convert to fraction form
    240,148.86/331,406.46 = 131,255.40/x
  3. Step 3: Cross multiply
    240,148.86x = 331,406.46 × 131,255.40
  4. Step 4: Simplify right side
    240,148.86x = 43,498,887,469.88
  5. Step 5: Solve for x
    x = 43,498,887,469.88/240,148.86
  6. Step 6: Final answer
    x = 181,133.02

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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.