Home / 74,193.66-111,308.31-21,603.60

Finding the Fourth Proportional to 74,193.66, 111,308.31 and 21,603.60

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Solution

The fourth proportional to 74,193.66, 111,308.31 and 21,603.60 is: 32,410.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,193.66 : 111,308.31 = 21,603.60 : x
  2. Step 2: Convert to fraction form
    74,193.66/111,308.31 = 21,603.60/x
  3. Step 3: Cross multiply
    74,193.66x = 111,308.31 × 21,603.60
  4. Step 4: Simplify right side
    74,193.66x = 2,404,660,205.92
  5. Step 5: Solve for x
    x = 2,404,660,205.92/74,193.66
  6. Step 6: Final answer
    x = 32,410.59

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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.