Home / 126,594.12-189,932.73-51,777.18

Finding the Fourth Proportional to 126,594.12, 189,932.73 and 51,777.18

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Solution

The fourth proportional to 126,594.12, 189,932.73 and 51,777.18 is: 77,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,594.12 : 189,932.73 = 51,777.18 : x
  2. Step 2: Convert to fraction form
    126,594.12/189,932.73 = 51,777.18/x
  3. Step 3: Cross multiply
    126,594.12x = 189,932.73 × 51,777.18
  4. Step 4: Simplify right side
    126,594.12x = 9,834,181,149.10
  5. Step 5: Solve for x
    x = 9,834,181,149.10/126,594.12
  6. Step 6: Final answer
    x = 77,682.76

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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.