Home / 74,165.09-111,202.78-29,132.54

Finding the Fourth Proportional to 74,165.09, 111,202.78 and 29,132.54

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Solution

The fourth proportional to 74,165.09, 111,202.78 and 29,132.54 is: 43,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,165.09 : 111,202.78 = 29,132.54 : x
  2. Step 2: Convert to fraction form
    74,165.09/111,202.78 = 29,132.54/x
  3. Step 3: Cross multiply
    74,165.09x = 111,202.78 × 29,132.54
  4. Step 4: Simplify right side
    74,165.09x = 3,239,618,807.62
  5. Step 5: Solve for x
    x = 3,239,618,807.62/74,165.09
  6. Step 6: Final answer
    x = 43,681.19

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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.