Home / 188,105.56-259,593.15-103,225.66

Finding the Fourth Proportional to 188,105.56, 259,593.15 and 103,225.66

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Solution

The fourth proportional to 188,105.56, 259,593.15 and 103,225.66 is: 142,455.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,105.56 : 259,593.15 = 103,225.66 : x
  2. Step 2: Convert to fraction form
    188,105.56/259,593.15 = 103,225.66/x
  3. Step 3: Cross multiply
    188,105.56x = 259,593.15 × 103,225.66
  4. Step 4: Simplify right side
    188,105.56x = 26,796,673,978.34
  5. Step 5: Solve for x
    x = 26,796,673,978.34/188,105.56
  6. Step 6: Final answer
    x = 142,455.51

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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.