Home / 126,372.14-174,373.73-72,647.12

Finding the Fourth Proportional to 126,372.14, 174,373.73 and 72,647.12

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Solution

The fourth proportional to 126,372.14, 174,373.73 and 72,647.12 is: 100,241.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,372.14 : 174,373.73 = 72,647.12 : x
  2. Step 2: Convert to fraction form
    126,372.14/174,373.73 = 72,647.12/x
  3. Step 3: Cross multiply
    126,372.14x = 174,373.73 × 72,647.12
  4. Step 4: Simplify right side
    126,372.14x = 12,667,749,905.71
  5. Step 5: Solve for x
    x = 12,667,749,905.71/126,372.14
  6. Step 6: Final answer
    x = 100,241.63

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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.