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Finding the Fourth Proportional to 145,831.08, 201,246.96 and 78,763.08

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Solution

The fourth proportional to 145,831.08, 201,246.96 and 78,763.08 is: 108,693.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,831.08 : 201,246.96 = 78,763.08 : x
  2. Step 2: Convert to fraction form
    145,831.08/201,246.96 = 78,763.08/x
  3. Step 3: Cross multiply
    145,831.08x = 201,246.96 × 78,763.08
  4. Step 4: Simplify right side
    145,831.08x = 15,850,831,460.27
  5. Step 5: Solve for x
    x = 15,850,831,460.27/145,831.08
  6. Step 6: Final answer
    x = 108,693.09

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