Home / 144,083.06-198,816.27-80,423.54

Finding the Fourth Proportional to 144,083.06, 198,816.27 and 80,423.54

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Solution

The fourth proportional to 144,083.06, 198,816.27 and 80,423.54 is: 110,974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,083.06 : 198,816.27 = 80,423.54 : x
  2. Step 2: Convert to fraction form
    144,083.06/198,816.27 = 80,423.54/x
  3. Step 3: Cross multiply
    144,083.06x = 198,816.27 × 80,423.54
  4. Step 4: Simplify right side
    144,083.06x = 15,989,507,248.91
  5. Step 5: Solve for x
    x = 15,989,507,248.91/144,083.06
  6. Step 6: Final answer
    x = 110,974.24

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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.