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Finding the Fourth Proportional to 125,000.22, 172,496.88 and 71,283.99

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Solution

The fourth proportional to 125,000.22, 172,496.88 and 71,283.99 is: 98,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,000.22 : 172,496.88 = 71,283.99 : x
  2. Step 2: Convert to fraction form
    125,000.22/172,496.88 = 71,283.99/x
  3. Step 3: Cross multiply
    125,000.22x = 172,496.88 × 71,283.99
  4. Step 4: Simplify right side
    125,000.22x = 12,296,265,868.95
  5. Step 5: Solve for x
    x = 12,296,265,868.95/125,000.22
  6. Step 6: Final answer
    x = 98,369.95

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