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Finding the Fourth Proportional to 97,721.40, 146,582.10 and 88,681.80

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Solution

The fourth proportional to 97,721.40, 146,582.10 and 88,681.80 is: 133,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,721.40 : 146,582.10 = 88,681.80 : x
  2. Step 2: Convert to fraction form
    97,721.40/146,582.10 = 88,681.80/x
  3. Step 3: Cross multiply
    97,721.40x = 146,582.10 × 88,681.80
  4. Step 4: Simplify right side
    97,721.40x = 12,999,164,475.78
  5. Step 5: Solve for x
    x = 12,999,164,475.78/97,721.40
  6. Step 6: Final answer
    x = 133,022.70

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