Home / 126,015.12-189,059.58-37,270.92

Finding the Fourth Proportional to 126,015.12, 189,059.58 and 37,270.92

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Solution

The fourth proportional to 126,015.12, 189,059.58 and 37,270.92 is: 55,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,015.12 : 189,059.58 = 37,270.92 : x
  2. Step 2: Convert to fraction form
    126,015.12/189,059.58 = 37,270.92/x
  3. Step 3: Cross multiply
    126,015.12x = 189,059.58 × 37,270.92
  4. Step 4: Simplify right side
    126,015.12x = 7,046,424,481.41
  5. Step 5: Solve for x
    x = 7,046,424,481.41/126,015.12
  6. Step 6: Final answer
    x = 55,917.29

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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.