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Finding the Fourth Proportional to 140,548.60, 210,822.90 and 93,309.40

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Solution

The fourth proportional to 140,548.60, 210,822.90 and 93,309.40 is: 139,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,548.60 : 210,822.90 = 93,309.40 : x
  2. Step 2: Convert to fraction form
    140,548.60/210,822.90 = 93,309.40/x
  3. Step 3: Cross multiply
    140,548.60x = 210,822.90 × 93,309.40
  4. Step 4: Simplify right side
    140,548.60x = 19,671,758,305.26
  5. Step 5: Solve for x
    x = 19,671,758,305.26/140,548.60
  6. Step 6: Final answer
    x = 139,964.10

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