Home / 126,088.56-189,133.45-37,343.75

Finding the Fourth Proportional to 126,088.56, 189,133.45 and 37,343.75

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Solution

The fourth proportional to 126,088.56, 189,133.45 and 37,343.75 is: 56,015.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,088.56 : 189,133.45 = 37,343.75 : x
  2. Step 2: Convert to fraction form
    126,088.56/189,133.45 = 37,343.75/x
  3. Step 3: Cross multiply
    126,088.56x = 189,133.45 × 37,343.75
  4. Step 4: Simplify right side
    126,088.56x = 7,062,952,273.44
  5. Step 5: Solve for x
    x = 7,062,952,273.44/126,088.56
  6. Step 6: Final answer
    x = 56,015.81

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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.