Home / 450,979.43-676,566.09-131,136.86

Finding the Fourth Proportional to 450,979.43, 676,566.09 and 131,136.86

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Solution

The fourth proportional to 450,979.43, 676,566.09 and 131,136.86 is: 196,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,979.43 : 676,566.09 = 131,136.86 : x
  2. Step 2: Convert to fraction form
    450,979.43/676,566.09 = 131,136.86/x
  3. Step 3: Cross multiply
    450,979.43x = 676,566.09 × 131,136.86
  4. Step 4: Simplify right side
    450,979.43x = 88,722,752,625.08
  5. Step 5: Solve for x
    x = 88,722,752,625.08/450,979.43
  6. Step 6: Final answer
    x = 196,733.48

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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.