Home / 188,122.96-259,535.78-107,507.24

Finding the Fourth Proportional to 188,122.96, 259,535.78 and 107,507.24

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Solution

The fourth proportional to 188,122.96, 259,535.78 and 107,507.24 is: 148,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,122.96 : 259,535.78 = 107,507.24 : x
  2. Step 2: Convert to fraction form
    188,122.96/259,535.78 = 107,507.24/x
  3. Step 3: Cross multiply
    188,122.96x = 259,535.78 × 107,507.24
  4. Step 4: Simplify right side
    188,122.96x = 27,901,973,956.98
  5. Step 5: Solve for x
    x = 27,901,973,956.98/188,122.96
  6. Step 6: Final answer
    x = 148,317.75

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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.