Home / 126,293.11-189,275.64-51,326.02

Finding the Fourth Proportional to 126,293.11, 189,275.64 and 51,326.02

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Solution

The fourth proportional to 126,293.11, 189,275.64 and 51,326.02 is: 76,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,293.11 : 189,275.64 = 51,326.02 : x
  2. Step 2: Convert to fraction form
    126,293.11/189,275.64 = 51,326.02/x
  3. Step 3: Cross multiply
    126,293.11x = 189,275.64 × 51,326.02
  4. Step 4: Simplify right side
    126,293.11x = 9,714,764,907.20
  5. Step 5: Solve for x
    x = 9,714,764,907.20/126,293.11
  6. Step 6: Final answer
    x = 76,922.36

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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.