Home / 126,011.81-173,894.25-68,651.82

Finding the Fourth Proportional to 126,011.81, 173,894.25 and 68,651.82

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Solution

The fourth proportional to 126,011.81, 173,894.25 and 68,651.82 is: 94,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,011.81 : 173,894.25 = 68,651.82 : x
  2. Step 2: Convert to fraction form
    126,011.81/173,894.25 = 68,651.82/x
  3. Step 3: Cross multiply
    126,011.81x = 173,894.25 × 68,651.82
  4. Step 4: Simplify right side
    126,011.81x = 11,938,155,880.56
  5. Step 5: Solve for x
    x = 11,938,155,880.56/126,011.81
  6. Step 6: Final answer
    x = 94,738.39

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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.