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Finding the Fourth Proportional to 159,910.74, 220,675.41 and 88,289.24

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Solution

The fourth proportional to 159,910.74, 220,675.41 and 88,289.24 is: 121,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,910.74 : 220,675.41 = 88,289.24 : x
  2. Step 2: Convert to fraction form
    159,910.74/220,675.41 = 88,289.24/x
  3. Step 3: Cross multiply
    159,910.74x = 220,675.41 × 88,289.24
  4. Step 4: Simplify right side
    159,910.74x = 19,483,263,132.21
  5. Step 5: Solve for x
    x = 19,483,263,132.21/159,910.74
  6. Step 6: Final answer
    x = 121,838.37

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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.