Home / 240,147.36-331,404.39-131,253.90

Finding the Fourth Proportional to 240,147.36, 331,404.39 and 131,253.90

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Solution

The fourth proportional to 240,147.36, 331,404.39 and 131,253.90 is: 181,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,147.36 : 331,404.39 = 131,253.90 : x
  2. Step 2: Convert to fraction form
    240,147.36/331,404.39 = 131,253.90/x
  3. Step 3: Cross multiply
    240,147.36x = 331,404.39 × 131,253.90
  4. Step 4: Simplify right side
    240,147.36x = 43,498,118,664.62
  5. Step 5: Solve for x
    x = 43,498,118,664.62/240,147.36
  6. Step 6: Final answer
    x = 181,130.95

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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.