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Finding the Fourth Proportional to 107,915.80, 161,873.70 and 101,792.20

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Solution

The fourth proportional to 107,915.80, 161,873.70 and 101,792.20 is: 152,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,915.80 : 161,873.70 = 101,792.20 : x
  2. Step 2: Convert to fraction form
    107,915.80/161,873.70 = 101,792.20/x
  3. Step 3: Cross multiply
    107,915.80x = 161,873.70 × 101,792.20
  4. Step 4: Simplify right side
    107,915.80x = 16,477,480,045.14
  5. Step 5: Solve for x
    x = 16,477,480,045.14/107,915.80
  6. Step 6: Final answer
    x = 152,688.30

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