Home / 126,273.40-174,314.64-80,968.48

Finding the Fourth Proportional to 126,273.40, 174,314.64 and 80,968.48

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Solution

The fourth proportional to 126,273.40, 174,314.64 and 80,968.48 is: 111,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,273.40 : 174,314.64 = 80,968.48 : x
  2. Step 2: Convert to fraction form
    126,273.40/174,314.64 = 80,968.48/x
  3. Step 3: Cross multiply
    126,273.40x = 174,314.64 × 80,968.48
  4. Step 4: Simplify right side
    126,273.40x = 14,113,991,442.55
  5. Step 5: Solve for x
    x = 14,113,991,442.55/126,273.40
  6. Step 6: Final answer
    x = 111,773.27

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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.