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Finding the Fourth Proportional to 98,978.55, 148,500.42 and 65,829.03

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Solution

The fourth proportional to 98,978.55, 148,500.42 and 65,829.03 is: 98,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,978.55 : 148,500.42 = 65,829.03 : x
  2. Step 2: Convert to fraction form
    98,978.55/148,500.42 = 65,829.03/x
  3. Step 3: Cross multiply
    98,978.55x = 148,500.42 × 65,829.03
  4. Step 4: Simplify right side
    98,978.55x = 9,775,638,603.19
  5. Step 5: Solve for x
    x = 9,775,638,603.19/98,978.55
  6. Step 6: Final answer
    x = 98,765.22

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