Home / 126,028.42-189,037.73-31,258.84

Finding the Fourth Proportional to 126,028.42, 189,037.73 and 31,258.84

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Solution

The fourth proportional to 126,028.42, 189,037.73 and 31,258.84 is: 46,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,028.42 : 189,037.73 = 31,258.84 : x
  2. Step 2: Convert to fraction form
    126,028.42/189,037.73 = 31,258.84/x
  3. Step 3: Cross multiply
    126,028.42x = 189,037.73 × 31,258.84
  4. Step 4: Simplify right side
    126,028.42x = 5,909,099,527.14
  5. Step 5: Solve for x
    x = 5,909,099,527.14/126,028.42
  6. Step 6: Final answer
    x = 46,887.04

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1.5x scale

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.