Home / 103,943.10-155,930.99-33,806.01

Finding the Fourth Proportional to 103,943.10, 155,930.99 and 33,806.01

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Solution

The fourth proportional to 103,943.10, 155,930.99 and 33,806.01 is: 50,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,943.10 : 155,930.99 = 33,806.01 : x
  2. Step 2: Convert to fraction form
    103,943.10/155,930.99 = 33,806.01/x
  3. Step 3: Cross multiply
    103,943.10x = 155,930.99 × 33,806.01
  4. Step 4: Simplify right side
    103,943.10x = 5,271,404,438.22
  5. Step 5: Solve for x
    x = 5,271,404,438.22/103,943.10
  6. Step 6: Final answer
    x = 50,714.33

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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.