Home / 119,749.40-165,265.23-68,768.81

Finding the Fourth Proportional to 119,749.40, 165,265.23 and 68,768.81

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Solution

The fourth proportional to 119,749.40, 165,265.23 and 68,768.81 is: 94,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,749.40 : 165,265.23 = 68,768.81 : x
  2. Step 2: Convert to fraction form
    119,749.40/165,265.23 = 68,768.81/x
  3. Step 3: Cross multiply
    119,749.40x = 165,265.23 × 68,768.81
  4. Step 4: Simplify right side
    119,749.40x = 11,365,093,201.48
  5. Step 5: Solve for x
    x = 11,365,093,201.48/119,749.40
  6. Step 6: Final answer
    x = 94,907.31

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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.