Home / 126,530.18-189,723.46-51,562.56

Finding the Fourth Proportional to 126,530.18, 189,723.46 and 51,562.56

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Solution

The fourth proportional to 126,530.18, 189,723.46 and 51,562.56 is: 77,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,530.18 : 189,723.46 = 51,562.56 : x
  2. Step 2: Convert to fraction form
    126,530.18/189,723.46 = 51,562.56/x
  3. Step 3: Cross multiply
    126,530.18x = 189,723.46 × 51,562.56
  4. Step 4: Simplify right side
    126,530.18x = 9,782,627,289.66
  5. Step 5: Solve for x
    x = 9,782,627,289.66/126,530.18
  6. Step 6: Final answer
    x = 77,314.58

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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.