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Finding the Fourth Proportional to 145,015.76, 217,477.56 and 98,567.12

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Solution

The fourth proportional to 145,015.76, 217,477.56 and 98,567.12 is: 147,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,015.76 : 217,477.56 = 98,567.12 : x
  2. Step 2: Convert to fraction form
    145,015.76/217,477.56 = 98,567.12/x
  3. Step 3: Cross multiply
    145,015.76x = 217,477.56 × 98,567.12
  4. Step 4: Simplify right side
    145,015.76x = 21,436,136,753.83
  5. Step 5: Solve for x
    x = 21,436,136,753.83/145,015.76
  6. Step 6: Final answer
    x = 147,819.36

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