Home / 132,748.80-183,163.68-81,093.12

Finding the Fourth Proportional to 132,748.80, 183,163.68 and 81,093.12

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Solution

The fourth proportional to 132,748.80, 183,163.68 and 81,093.12 is: 111,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,748.80 : 183,163.68 = 81,093.12 : x
  2. Step 2: Convert to fraction form
    132,748.80/183,163.68 = 81,093.12/x
  3. Step 3: Cross multiply
    132,748.80x = 183,163.68 × 81,093.12
  4. Step 4: Simplify right side
    132,748.80x = 14,853,314,281.88
  5. Step 5: Solve for x
    x = 14,853,314,281.88/132,748.80
  6. Step 6: Final answer
    x = 111,890.38

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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.