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Finding the Fourth Proportional to 140,071.52, 193,323.76 and 83,486.48

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Solution

The fourth proportional to 140,071.52, 193,323.76 and 83,486.48 is: 115,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,071.52 : 193,323.76 = 83,486.48 : x
  2. Step 2: Convert to fraction form
    140,071.52/193,323.76 = 83,486.48/x
  3. Step 3: Cross multiply
    140,071.52x = 193,323.76 × 83,486.48
  4. Step 4: Simplify right side
    140,071.52x = 16,139,920,222.76
  5. Step 5: Solve for x
    x = 16,139,920,222.76/140,071.52
  6. Step 6: Final answer
    x = 115,226.28

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