Home / 147,317.26-221,072.73-80,804

Finding the Fourth Proportional to 147,317.26, 221,072.73 and 80,804

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Solution

The fourth proportional to 147,317.26, 221,072.73 and 80,804 is: 121,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,317.26 : 221,072.73 = 80,804 : x
  2. Step 2: Convert to fraction form
    147,317.26/221,072.73 = 80,804/x
  3. Step 3: Cross multiply
    147,317.26x = 221,072.73 × 80,804
  4. Step 4: Simplify right side
    147,317.26x = 17,863,560,874.92
  5. Step 5: Solve for x
    x = 17,863,560,874.92/147,317.26
  6. Step 6: Final answer
    x = 121,259.12

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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.