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Finding the Fourth Proportional to 93,120.84, 128,280.96 and 69,206.04

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Solution

The fourth proportional to 93,120.84, 128,280.96 and 69,206.04 is: 95,336.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,120.84 : 128,280.96 = 69,206.04 : x
  2. Step 2: Convert to fraction form
    93,120.84/128,280.96 = 69,206.04/x
  3. Step 3: Cross multiply
    93,120.84x = 128,280.96 × 69,206.04
  4. Step 4: Simplify right side
    93,120.84x = 8,877,817,249.00
  5. Step 5: Solve for x
    x = 8,877,817,249.00/93,120.84
  6. Step 6: Final answer
    x = 95,336.52

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