Home / 270,893.12-406,366.52-100,159.61

Finding the Fourth Proportional to 270,893.12, 406,366.52 and 100,159.61

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Solution

The fourth proportional to 270,893.12, 406,366.52 and 100,159.61 is: 150,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,893.12 : 406,366.52 = 100,159.61 : x
  2. Step 2: Convert to fraction form
    270,893.12/406,366.52 = 100,159.61/x
  3. Step 3: Cross multiply
    270,893.12x = 406,366.52 × 100,159.61
  4. Step 4: Simplify right side
    270,893.12x = 40,701,509,627.63
  5. Step 5: Solve for x
    x = 40,701,509,627.63/270,893.12
  6. Step 6: Final answer
    x = 150,249.33

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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.