Home / 126,126.96-174,056.54-69,540.36

Finding the Fourth Proportional to 126,126.96, 174,056.54 and 69,540.36

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Solution

The fourth proportional to 126,126.96, 174,056.54 and 69,540.36 is: 95,966.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,126.96 : 174,056.54 = 69,540.36 : x
  2. Step 2: Convert to fraction form
    126,126.96/174,056.54 = 69,540.36/x
  3. Step 3: Cross multiply
    126,126.96x = 174,056.54 × 69,540.36
  4. Step 4: Simplify right side
    126,126.96x = 12,103,954,451.95
  5. Step 5: Solve for x
    x = 12,103,954,451.95/126,126.96
  6. Step 6: Final answer
    x = 95,966.43

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