Home / 104,343.24-156,537.90-30,477

Finding the Fourth Proportional to 104,343.24, 156,537.90 and 30,477

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Solution

The fourth proportional to 104,343.24, 156,537.90 and 30,477 is: 45,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,343.24 : 156,537.90 = 30,477 : x
  2. Step 2: Convert to fraction form
    104,343.24/156,537.90 = 30,477/x
  3. Step 3: Cross multiply
    104,343.24x = 156,537.90 × 30,477
  4. Step 4: Simplify right side
    104,343.24x = 4,770,805,578.30
  5. Step 5: Solve for x
    x = 4,770,805,578.30/104,343.24
  6. Step 6: Final answer
    x = 45,722.23

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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.