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Finding the Fourth Proportional to 92,938.70, 139,310.58 and 45,488.36

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Solution

The fourth proportional to 92,938.70, 139,310.58 and 45,488.36 is: 68,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,938.70 : 139,310.58 = 45,488.36 : x
  2. Step 2: Convert to fraction form
    92,938.70/139,310.58 = 45,488.36/x
  3. Step 3: Cross multiply
    92,938.70x = 139,310.58 × 45,488.36
  4. Step 4: Simplify right side
    92,938.70x = 6,337,009,814.85
  5. Step 5: Solve for x
    x = 6,337,009,814.85/92,938.70
  6. Step 6: Final answer
    x = 68,184.83

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