Home / 188,254.76-259,695.32-120,200.18

Finding the Fourth Proportional to 188,254.76, 259,695.32 and 120,200.18

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Solution

The fourth proportional to 188,254.76, 259,695.32 and 120,200.18 is: 165,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,254.76 : 259,695.32 = 120,200.18 : x
  2. Step 2: Convert to fraction form
    188,254.76/259,695.32 = 120,200.18/x
  3. Step 3: Cross multiply
    188,254.76x = 259,695.32 × 120,200.18
  4. Step 4: Simplify right side
    188,254.76x = 31,215,422,309.68
  5. Step 5: Solve for x
    x = 31,215,422,309.68/188,254.76
  6. Step 6: Final answer
    x = 165,814.79

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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.