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Finding the Fourth Proportional to 103,558.70, 155,338.05 and 97,726.70

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Solution

The fourth proportional to 103,558.70, 155,338.05 and 97,726.70 is: 146,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,558.70 : 155,338.05 = 97,726.70 : x
  2. Step 2: Convert to fraction form
    103,558.70/155,338.05 = 97,726.70/x
  3. Step 3: Cross multiply
    103,558.70x = 155,338.05 × 97,726.70
  4. Step 4: Simplify right side
    103,558.70x = 15,180,675,010.94
  5. Step 5: Solve for x
    x = 15,180,675,010.94/103,558.70
  6. Step 6: Final answer
    x = 146,590.05

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