Home / 126,652.46-189,908.48-51,825.06

Finding the Fourth Proportional to 126,652.46, 189,908.48 and 51,825.06

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Solution

The fourth proportional to 126,652.46, 189,908.48 and 51,825.06 is: 77,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,652.46 : 189,908.48 = 51,825.06 : x
  2. Step 2: Convert to fraction form
    126,652.46/189,908.48 = 51,825.06/x
  3. Step 3: Cross multiply
    126,652.46x = 189,908.48 × 51,825.06
  4. Step 4: Simplify right side
    126,652.46x = 9,842,018,500.07
  5. Step 5: Solve for x
    x = 9,842,018,500.07/126,652.46
  6. Step 6: Final answer
    x = 77,708.86

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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.