Home / 103,669.03-155,503.54-51,181.03

Finding the Fourth Proportional to 103,669.03, 155,503.54 and 51,181.03

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Solution

The fourth proportional to 103,669.03, 155,503.54 and 51,181.03 is: 76,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,669.03 : 155,503.54 = 51,181.03 : x
  2. Step 2: Convert to fraction form
    103,669.03/155,503.54 = 51,181.03/x
  3. Step 3: Cross multiply
    103,669.03x = 155,503.54 × 51,181.03
  4. Step 4: Simplify right side
    103,669.03x = 7,958,831,345.85
  5. Step 5: Solve for x
    x = 7,958,831,345.85/103,669.03
  6. Step 6: Final answer
    x = 76,771.54

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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.