Home / 109,419.14-164,128.70-26,313.14

Finding the Fourth Proportional to 109,419.14, 164,128.70 and 26,313.14

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Solution

The fourth proportional to 109,419.14, 164,128.70 and 26,313.14 is: 39,469.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,419.14 : 164,128.70 = 26,313.14 : x
  2. Step 2: Convert to fraction form
    109,419.14/164,128.70 = 26,313.14/x
  3. Step 3: Cross multiply
    109,419.14x = 164,128.70 × 26,313.14
  4. Step 4: Simplify right side
    109,419.14x = 4,318,741,461.12
  5. Step 5: Solve for x
    x = 4,318,741,461.12/109,419.14
  6. Step 6: Final answer
    x = 39,469.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.