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Finding the Fourth Proportional to 103,397.52, 142,684.98 and 63,178.60

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Solution

The fourth proportional to 103,397.52, 142,684.98 and 63,178.60 is: 87,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,397.52 : 142,684.98 = 63,178.60 : x
  2. Step 2: Convert to fraction form
    103,397.52/142,684.98 = 63,178.60/x
  3. Step 3: Cross multiply
    103,397.52x = 142,684.98 × 63,178.60
  4. Step 4: Simplify right side
    103,397.52x = 9,014,637,277.43
  5. Step 5: Solve for x
    x = 9,014,637,277.43/103,397.52
  6. Step 6: Final answer
    x = 87,184.27

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