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Finding the Fourth Proportional to 114,603.35, 172,098.90 and 74,690.15

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Solution

The fourth proportional to 114,603.35, 172,098.90 and 74,690.15 is: 112,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,603.35 : 172,098.90 = 74,690.15 : x
  2. Step 2: Convert to fraction form
    114,603.35/172,098.90 = 74,690.15/x
  3. Step 3: Cross multiply
    114,603.35x = 172,098.90 × 74,690.15
  4. Step 4: Simplify right side
    114,603.35x = 12,854,092,655.84
  5. Step 5: Solve for x
    x = 12,854,092,655.84/114,603.35
  6. Step 6: Final answer
    x = 112,161.58

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