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Finding the Fourth Proportional to 93,222.95, 139,839.95 and 29,193.07

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Solution

The fourth proportional to 93,222.95, 139,839.95 and 29,193.07 is: 43,791.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,222.95 : 139,839.95 = 29,193.07 : x
  2. Step 2: Convert to fraction form
    93,222.95/139,839.95 = 29,193.07/x
  3. Step 3: Cross multiply
    93,222.95x = 139,839.95 × 29,193.07
  4. Step 4: Simplify right side
    93,222.95x = 4,082,356,603.98
  5. Step 5: Solve for x
    x = 4,082,356,603.98/93,222.95
  6. Step 6: Final answer
    x = 43,791.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.