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Finding the Fourth Proportional to 93,507.12, 139,437.12 and 92,664.72

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Solution

The fourth proportional to 93,507.12, 139,437.12 and 92,664.72 is: 138,180.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,507.12 : 139,437.12 = 92,664.72 : x
  2. Step 2: Convert to fraction form
    93,507.12/139,437.12 = 92,664.72/x
  3. Step 3: Cross multiply
    93,507.12x = 139,437.12 × 92,664.72
  4. Step 4: Simplify right side
    93,507.12x = 12,920,901,682.41
  5. Step 5: Solve for x
    x = 12,920,901,682.41/93,507.12
  6. Step 6: Final answer
    x = 138,180.94

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