Home / 126,009.68-189,040.02-37,261.22

Finding the Fourth Proportional to 126,009.68, 189,040.02 and 37,261.22

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Solution

The fourth proportional to 126,009.68, 189,040.02 and 37,261.22 is: 55,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,009.68 : 189,040.02 = 37,261.22 : x
  2. Step 2: Convert to fraction form
    126,009.68/189,040.02 = 37,261.22/x
  3. Step 3: Cross multiply
    126,009.68x = 189,040.02 × 37,261.22
  4. Step 4: Simplify right side
    126,009.68x = 7,043,861,774.02
  5. Step 5: Solve for x
    x = 7,043,861,774.02/126,009.68
  6. Step 6: Final answer
    x = 55,899.37

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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.