Home / 104,390.06-156,508.40-33,271.78

Finding the Fourth Proportional to 104,390.06, 156,508.40 and 33,271.78

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Solution

The fourth proportional to 104,390.06, 156,508.40 and 33,271.78 is: 49,883.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,390.06 : 156,508.40 = 33,271.78 : x
  2. Step 2: Convert to fraction form
    104,390.06/156,508.40 = 33,271.78/x
  3. Step 3: Cross multiply
    104,390.06x = 156,508.40 × 33,271.78
  4. Step 4: Simplify right side
    104,390.06x = 5,207,313,052.95
  5. Step 5: Solve for x
    x = 5,207,313,052.95/104,390.06
  6. Step 6: Final answer
    x = 49,883.23

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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.