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Finding the Fourth Proportional to 160,369.36, 221,313.32 and 103,879.04

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Solution

The fourth proportional to 160,369.36, 221,313.32 and 103,879.04 is: 143,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,369.36 : 221,313.32 = 103,879.04 : x
  2. Step 2: Convert to fraction form
    160,369.36/221,313.32 = 103,879.04/x
  3. Step 3: Cross multiply
    160,369.36x = 221,313.32 × 103,879.04
  4. Step 4: Simplify right side
    160,369.36x = 22,989,815,220.81
  5. Step 5: Solve for x
    x = 22,989,815,220.81/160,369.36
  6. Step 6: Final answer
    x = 143,355.41

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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.