Home / 126,615.26-189,922.89-51,735.34

Finding the Fourth Proportional to 126,615.26, 189,922.89 and 51,735.34

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Solution

The fourth proportional to 126,615.26, 189,922.89 and 51,735.34 is: 77,603.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,615.26 : 189,922.89 = 51,735.34 : x
  2. Step 2: Convert to fraction form
    126,615.26/189,922.89 = 51,735.34/x
  3. Step 3: Cross multiply
    126,615.26x = 189,922.89 × 51,735.34
  4. Step 4: Simplify right side
    126,615.26x = 9,825,724,813.13
  5. Step 5: Solve for x
    x = 9,825,724,813.13/126,615.26
  6. Step 6: Final answer
    x = 77,603.00

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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.