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Finding the Fourth Proportional to 104,103.09, 143,662.24 and 56,356.40

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Solution

The fourth proportional to 104,103.09, 143,662.24 and 56,356.40 is: 77,771.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,103.09 : 143,662.24 = 56,356.40 : x
  2. Step 2: Convert to fraction form
    104,103.09/143,662.24 = 56,356.40/x
  3. Step 3: Cross multiply
    104,103.09x = 143,662.24 × 56,356.40
  4. Step 4: Simplify right side
    104,103.09x = 8,096,286,662.34
  5. Step 5: Solve for x
    x = 8,096,286,662.34/104,103.09
  6. Step 6: Final answer
    x = 77,771.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.