Home / 126,669.24-190,069.47-91,895.94

Finding the Fourth Proportional to 126,669.24, 190,069.47 and 91,895.94

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Solution

The fourth proportional to 126,669.24, 190,069.47 and 91,895.94 is: 137,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,669.24 : 190,069.47 = 91,895.94 : x
  2. Step 2: Convert to fraction form
    126,669.24/190,069.47 = 91,895.94/x
  3. Step 3: Cross multiply
    126,669.24x = 190,069.47 × 91,895.94
  4. Step 4: Simplify right side
    126,669.24x = 17,466,612,610.95
  5. Step 5: Solve for x
    x = 17,466,612,610.95/126,669.24
  6. Step 6: Final answer
    x = 137,891.51

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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.