Home / 126,215.14-174,171.03-72,462.32

Finding the Fourth Proportional to 126,215.14, 174,171.03 and 72,462.32

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Solution

The fourth proportional to 126,215.14, 174,171.03 and 72,462.32 is: 99,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,215.14 : 174,171.03 = 72,462.32 : x
  2. Step 2: Convert to fraction form
    126,215.14/174,171.03 = 72,462.32/x
  3. Step 3: Cross multiply
    126,215.14x = 174,171.03 × 72,462.32
  4. Step 4: Simplify right side
    126,215.14x = 12,620,836,910.59
  5. Step 5: Solve for x
    x = 12,620,836,910.59/126,215.14
  6. Step 6: Final answer
    x = 99,994.64

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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.