Home / 126,012.88-173,897.94-68,651.92

Finding the Fourth Proportional to 126,012.88, 173,897.94 and 68,651.92

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Solution

The fourth proportional to 126,012.88, 173,897.94 and 68,651.92 is: 94,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,012.88 : 173,897.94 = 68,651.92 : x
  2. Step 2: Convert to fraction form
    126,012.88/173,897.94 = 68,651.92/x
  3. Step 3: Cross multiply
    126,012.88x = 173,897.94 × 68,651.92
  4. Step 4: Simplify right side
    126,012.88x = 11,938,427,465.04
  5. Step 5: Solve for x
    x = 11,938,427,465.04/126,012.88
  6. Step 6: Final answer
    x = 94,739.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.