Home / 147,098.22-220,647.33-102,811.47

Finding the Fourth Proportional to 147,098.22, 220,647.33 and 102,811.47

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Solution

The fourth proportional to 147,098.22, 220,647.33 and 102,811.47 is: 154,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,098.22 : 220,647.33 = 102,811.47 : x
  2. Step 2: Convert to fraction form
    147,098.22/220,647.33 = 102,811.47/x
  3. Step 3: Cross multiply
    147,098.22x = 220,647.33 × 102,811.47
  4. Step 4: Simplify right side
    147,098.22x = 22,685,076,348.88
  5. Step 5: Solve for x
    x = 22,685,076,348.88/147,098.22
  6. Step 6: Final answer
    x = 154,217.21

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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.