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Finding the Fourth Proportional to 303,743.80, 455,615.70 and 93,381.40

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Solution

The fourth proportional to 303,743.80, 455,615.70 and 93,381.40 is: 140,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,743.80 : 455,615.70 = 93,381.40 : x
  2. Step 2: Convert to fraction form
    303,743.80/455,615.70 = 93,381.40/x
  3. Step 3: Cross multiply
    303,743.80x = 455,615.70 × 93,381.40
  4. Step 4: Simplify right side
    303,743.80x = 42,546,031,927.98
  5. Step 5: Solve for x
    x = 42,546,031,927.98/303,743.80
  6. Step 6: Final answer
    x = 140,072.10

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