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Finding the Fourth Proportional to 97,888.80, 146,444.40 and 84,885.60

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Solution

The fourth proportional to 97,888.80, 146,444.40 and 84,885.60 is: 126,991.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,888.80 : 146,444.40 = 84,885.60 : x
  2. Step 2: Convert to fraction form
    97,888.80/146,444.40 = 84,885.60/x
  3. Step 3: Cross multiply
    97,888.80x = 146,444.40 × 84,885.60
  4. Step 4: Simplify right side
    97,888.80x = 12,431,020,760.64
  5. Step 5: Solve for x
    x = 12,431,020,760.64/97,888.80
  6. Step 6: Final answer
    x = 126,991.25

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