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Finding the Fourth Proportional to 97,707.40, 146,561.10 and 71,463.40

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Solution

The fourth proportional to 97,707.40, 146,561.10 and 71,463.40 is: 107,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,707.40 : 146,561.10 = 71,463.40 : x
  2. Step 2: Convert to fraction form
    97,707.40/146,561.10 = 71,463.40/x
  3. Step 3: Cross multiply
    97,707.40x = 146,561.10 × 71,463.40
  4. Step 4: Simplify right side
    97,707.40x = 10,473,754,513.74
  5. Step 5: Solve for x
    x = 10,473,754,513.74/97,707.40
  6. Step 6: Final answer
    x = 107,195.10

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