Home / 188,651.08-282,817.50-81,954.28

Finding the Fourth Proportional to 188,651.08, 282,817.50 and 81,954.28

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Solution

The fourth proportional to 188,651.08, 282,817.50 and 81,954.28 is: 122,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,651.08 : 282,817.50 = 81,954.28 : x
  2. Step 2: Convert to fraction form
    188,651.08/282,817.50 = 81,954.28/x
  3. Step 3: Cross multiply
    188,651.08x = 282,817.50 × 81,954.28
  4. Step 4: Simplify right side
    188,651.08x = 23,178,104,583.90
  5. Step 5: Solve for x
    x = 23,178,104,583.90/188,651.08
  6. Step 6: Final answer
    x = 122,862.29

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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.