Home / 126,043.98-173,938.44-68,683.79

Finding the Fourth Proportional to 126,043.98, 173,938.44 and 68,683.79

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Solution

The fourth proportional to 126,043.98, 173,938.44 and 68,683.79 is: 94,782.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,043.98 : 173,938.44 = 68,683.79 : x
  2. Step 2: Convert to fraction form
    126,043.98/173,938.44 = 68,683.79/x
  3. Step 3: Cross multiply
    126,043.98x = 173,938.44 × 68,683.79
  4. Step 4: Simplify right side
    126,043.98x = 11,946,751,285.89
  5. Step 5: Solve for x
    x = 11,946,751,285.89/126,043.98
  6. Step 6: Final answer
    x = 94,782.41

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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.