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Finding the Fourth Proportional to 141,603.16, 212,536.02 and 71,531.68

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Solution

The fourth proportional to 141,603.16, 212,536.02 and 71,531.68 is: 107,363.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,603.16 : 212,536.02 = 71,531.68 : x
  2. Step 2: Convert to fraction form
    141,603.16/212,536.02 = 71,531.68/x
  3. Step 3: Cross multiply
    141,603.16x = 212,536.02 × 71,531.68
  4. Step 4: Simplify right side
    141,603.16x = 15,203,058,571.11
  5. Step 5: Solve for x
    x = 15,203,058,571.11/141,603.16
  6. Step 6: Final answer
    x = 107,363.84

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