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Finding the Fourth Proportional to 99,257.60, 148,886.40 and 36,915.20

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Solution

The fourth proportional to 99,257.60, 148,886.40 and 36,915.20 is: 55,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,257.60 : 148,886.40 = 36,915.20 : x
  2. Step 2: Convert to fraction form
    99,257.60/148,886.40 = 36,915.20/x
  3. Step 3: Cross multiply
    99,257.60x = 148,886.40 × 36,915.20
  4. Step 4: Simplify right side
    99,257.60x = 5,496,171,233.28
  5. Step 5: Solve for x
    x = 5,496,171,233.28/99,257.60
  6. Step 6: Final answer
    x = 55,372.80

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