Home / 104,315.03-156,229.20-76,165.27

Finding the Fourth Proportional to 104,315.03, 156,229.20 and 76,165.27

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Solution

The fourth proportional to 104,315.03, 156,229.20 and 76,165.27 is: 114,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,315.03 : 156,229.20 = 76,165.27 : x
  2. Step 2: Convert to fraction form
    104,315.03/156,229.20 = 76,165.27/x
  3. Step 3: Cross multiply
    104,315.03x = 156,229.20 × 76,165.27
  4. Step 4: Simplify right side
    104,315.03x = 11,899,238,371.29
  5. Step 5: Solve for x
    x = 11,899,238,371.29/104,315.03
  6. Step 6: Final answer
    x = 114,070.22

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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.