Home / 89,220.89-133,788.96-51,792.45

Finding the Fourth Proportional to 89,220.89, 133,788.96 and 51,792.45

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Solution

The fourth proportional to 89,220.89, 133,788.96 and 51,792.45 is: 77,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,220.89 : 133,788.96 = 51,792.45 : x
  2. Step 2: Convert to fraction form
    89,220.89/133,788.96 = 51,792.45/x
  3. Step 3: Cross multiply
    89,220.89x = 133,788.96 × 51,792.45
  4. Step 4: Simplify right side
    89,220.89x = 6,929,258,021.35
  5. Step 5: Solve for x
    x = 6,929,258,021.35/89,220.89
  6. Step 6: Final answer
    x = 77,664.08

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