Home / 85,176.52-116,692.26-81,984.16

Finding the Fourth Proportional to 85,176.52, 116,692.26 and 81,984.16

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Solution

The fourth proportional to 85,176.52, 116,692.26 and 81,984.16 is: 112,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,176.52 : 116,692.26 = 81,984.16 : x
  2. Step 2: Convert to fraction form
    85,176.52/116,692.26 = 81,984.16/x
  3. Step 3: Cross multiply
    85,176.52x = 116,692.26 × 81,984.16
  4. Step 4: Simplify right side
    85,176.52x = 9,566,916,504.68
  5. Step 5: Solve for x
    x = 9,566,916,504.68/85,176.52
  6. Step 6: Final answer
    x = 112,318.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.