Home / 126,293.68-189,276.48-51,326.58

Finding the Fourth Proportional to 126,293.68, 189,276.48 and 51,326.58

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Solution

The fourth proportional to 126,293.68, 189,276.48 and 51,326.58 is: 76,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,293.68 : 189,276.48 = 51,326.58 : x
  2. Step 2: Convert to fraction form
    126,293.68/189,276.48 = 51,326.58/x
  3. Step 3: Cross multiply
    126,293.68x = 189,276.48 × 51,326.58
  4. Step 4: Simplify right side
    126,293.68x = 9,714,914,585.31
  5. Step 5: Solve for x
    x = 9,714,914,585.31/126,293.68
  6. Step 6: Final answer
    x = 76,923.21

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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.