Home / 104,996.09-143,735.40-104,245.67

Finding the Fourth Proportional to 104,996.09, 143,735.40 and 104,245.67

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Solution

The fourth proportional to 104,996.09, 143,735.40 and 104,245.67 is: 142,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,996.09 : 143,735.40 = 104,245.67 : x
  2. Step 2: Convert to fraction form
    104,996.09/143,735.40 = 104,245.67/x
  3. Step 3: Cross multiply
    104,996.09x = 143,735.40 × 104,245.67
  4. Step 4: Simplify right side
    104,996.09x = 14,983,793,435.06
  5. Step 5: Solve for x
    x = 14,983,793,435.06/104,996.09
  6. Step 6: Final answer
    x = 142,708.11

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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.