Home / 135,741.30-187,328.00-82,015.94

Finding the Fourth Proportional to 135,741.30, 187,328.00 and 82,015.94

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Solution

The fourth proportional to 135,741.30, 187,328.00 and 82,015.94 is: 113,185.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,741.30 : 187,328.00 = 82,015.94 : x
  2. Step 2: Convert to fraction form
    135,741.30/187,328.00 = 82,015.94/x
  3. Step 3: Cross multiply
    135,741.30x = 187,328.00 × 82,015.94
  4. Step 4: Simplify right side
    135,741.30x = 15,363,882,681.68
  5. Step 5: Solve for x
    x = 15,363,882,681.68/135,741.30
  6. Step 6: Final answer
    x = 113,185.03

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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.