Home / 84,100.21-116,559.20-82,525.57

Finding the Fourth Proportional to 84,100.21, 116,559.20 and 82,525.57

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Solution

The fourth proportional to 84,100.21, 116,559.20 and 82,525.57 is: 114,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,100.21 : 116,559.20 = 82,525.57 : x
  2. Step 2: Convert to fraction form
    84,100.21/116,559.20 = 82,525.57/x
  3. Step 3: Cross multiply
    84,100.21x = 116,559.20 × 82,525.57
  4. Step 4: Simplify right side
    84,100.21x = 9,619,114,333.66
  5. Step 5: Solve for x
    x = 9,619,114,333.66/84,100.21
  6. Step 6: Final answer
    x = 114,376.82

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.