Home / 104,108.16-156,172.72-29,228.48

Finding the Fourth Proportional to 104,108.16, 156,172.72 and 29,228.48

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Solution

The fourth proportional to 104,108.16, 156,172.72 and 29,228.48 is: 43,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,108.16 : 156,172.72 = 29,228.48 : x
  2. Step 2: Convert to fraction form
    104,108.16/156,172.72 = 29,228.48/x
  3. Step 3: Cross multiply
    104,108.16x = 156,172.72 × 29,228.48
  4. Step 4: Simplify right side
    104,108.16x = 4,564,691,223.07
  5. Step 5: Solve for x
    x = 4,564,691,223.07/104,108.16
  6. Step 6: Final answer
    x = 43,845.66

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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.