Home / 126,027.82-189,036.84-31,258.24

Finding the Fourth Proportional to 126,027.82, 189,036.84 and 31,258.24

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Solution

The fourth proportional to 126,027.82, 189,036.84 and 31,258.24 is: 46,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027.82 : 189,036.84 = 31,258.24 : x
  2. Step 2: Convert to fraction form
    126,027.82/189,036.84 = 31,258.24/x
  3. Step 3: Cross multiply
    126,027.82x = 189,036.84 × 31,258.24
  4. Step 4: Simplify right side
    126,027.82x = 5,908,958,913.56
  5. Step 5: Solve for x
    x = 5,908,958,913.56/126,027.82
  6. Step 6: Final answer
    x = 46,886.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.