Home / 188,007.31-259,450.51-107,434.64

Finding the Fourth Proportional to 188,007.31, 259,450.51 and 107,434.64

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Solution

The fourth proportional to 188,007.31, 259,450.51 and 107,434.64 is: 148,260.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,007.31 : 259,450.51 = 107,434.64 : x
  2. Step 2: Convert to fraction form
    188,007.31/259,450.51 = 107,434.64/x
  3. Step 3: Cross multiply
    188,007.31x = 259,450.51 × 107,434.64
  4. Step 4: Simplify right side
    188,007.31x = 27,873,970,573.83
  5. Step 5: Solve for x
    x = 27,873,970,573.83/188,007.31
  6. Step 6: Final answer
    x = 148,260.04

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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.