Home / 240,653.63-331,997.73-145,107.24

Finding the Fourth Proportional to 240,653.63, 331,997.73 and 145,107.24

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Solution

The fourth proportional to 240,653.63, 331,997.73 and 145,107.24 is: 200,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,653.63 : 331,997.73 = 145,107.24 : x
  2. Step 2: Convert to fraction form
    240,653.63/331,997.73 = 145,107.24/x
  3. Step 3: Cross multiply
    240,653.63x = 331,997.73 × 145,107.24
  4. Step 4: Simplify right side
    240,653.63x = 48,175,275,479.33
  5. Step 5: Solve for x
    x = 48,175,275,479.33/240,653.63
  6. Step 6: Final answer
    x = 200,185.12

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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.