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Finding the Fourth Proportional to 154,000.02, 212,517.76 and 86,017.94

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Solution

The fourth proportional to 154,000.02, 212,517.76 and 86,017.94 is: 118,703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,000.02 : 212,517.76 = 86,017.94 : x
  2. Step 2: Convert to fraction form
    154,000.02/212,517.76 = 86,017.94/x
  3. Step 3: Cross multiply
    154,000.02x = 212,517.76 × 86,017.94
  4. Step 4: Simplify right side
    154,000.02x = 18,280,340,459.91
  5. Step 5: Solve for x
    x = 18,280,340,459.91/154,000.02
  6. Step 6: Final answer
    x = 118,703.50

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