Home / 188,119.36-259,612.20-103,239.48

Finding the Fourth Proportional to 188,119.36, 259,612.20 and 103,239.48

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Solution

The fourth proportional to 188,119.36, 259,612.20 and 103,239.48 is: 142,474.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,119.36 : 259,612.20 = 103,239.48 : x
  2. Step 2: Convert to fraction form
    188,119.36/259,612.20 = 103,239.48/x
  3. Step 3: Cross multiply
    188,119.36x = 259,612.20 × 103,239.48
  4. Step 4: Simplify right side
    188,119.36x = 26,802,228,529.66
  5. Step 5: Solve for x
    x = 26,802,228,529.66/188,119.36
  6. Step 6: Final answer
    x = 142,474.59

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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.