Home / 161,044.48-241,647-72,361.36

Finding the Fourth Proportional to 161,044.48, 241,647 and 72,361.36

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Solution

The fourth proportional to 161,044.48, 241,647 and 72,361.36 is: 108,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,044.48 : 241,647 = 72,361.36 : x
  2. Step 2: Convert to fraction form
    161,044.48/241,647 = 72,361.36/x
  3. Step 3: Cross multiply
    161,044.48x = 241,647 × 72,361.36
  4. Step 4: Simplify right side
    161,044.48x = 17,485,905,559.92
  5. Step 5: Solve for x
    x = 17,485,905,559.92/161,044.48
  6. Step 6: Final answer
    x = 108,578.11

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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.