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Finding the Fourth Proportional to 97,421.40, 146,132.10 and 65,928.60

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Solution

The fourth proportional to 97,421.40, 146,132.10 and 65,928.60 is: 98,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,421.40 : 146,132.10 = 65,928.60 : x
  2. Step 2: Convert to fraction form
    97,421.40/146,132.10 = 65,928.60/x
  3. Step 3: Cross multiply
    97,421.40x = 146,132.10 × 65,928.60
  4. Step 4: Simplify right side
    97,421.40x = 9,634,284,768.06
  5. Step 5: Solve for x
    x = 9,634,284,768.06/97,421.40
  6. Step 6: Final answer
    x = 98,892.90

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