Home / 112,627.26-169,134.30-100,005.66

Finding the Fourth Proportional to 112,627.26, 169,134.30 and 100,005.66

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Solution

The fourth proportional to 112,627.26, 169,134.30 and 100,005.66 is: 150,180.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,627.26 : 169,134.30 = 100,005.66 : x
  2. Step 2: Convert to fraction form
    112,627.26/169,134.30 = 100,005.66/x
  3. Step 3: Cross multiply
    112,627.26x = 169,134.30 × 100,005.66
  4. Step 4: Simplify right side
    112,627.26x = 16,914,387,300.14
  5. Step 5: Solve for x
    x = 16,914,387,300.14/112,627.26
  6. Step 6: Final answer
    x = 150,180.23

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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.