Home / 104,220.36-156,349.98-34,103.52

Finding the Fourth Proportional to 104,220.36, 156,349.98 and 34,103.52

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Solution

The fourth proportional to 104,220.36, 156,349.98 and 34,103.52 is: 51,161.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,220.36 : 156,349.98 = 34,103.52 : x
  2. Step 2: Convert to fraction form
    104,220.36/156,349.98 = 34,103.52/x
  3. Step 3: Cross multiply
    104,220.36x = 156,349.98 × 34,103.52
  4. Step 4: Simplify right side
    104,220.36x = 5,332,084,669.93
  5. Step 5: Solve for x
    x = 5,332,084,669.93/104,220.36
  6. Step 6: Final answer
    x = 51,161.64

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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.