Home / 98,733.44-147,968.94-85,523.96

Finding the Fourth Proportional to 98,733.44, 147,968.94 and 85,523.96

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Solution

The fourth proportional to 98,733.44, 147,968.94 and 85,523.96 is: 128,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,733.44 : 147,968.94 = 85,523.96 : x
  2. Step 2: Convert to fraction form
    98,733.44/147,968.94 = 85,523.96/x
  3. Step 3: Cross multiply
    98,733.44x = 147,968.94 × 85,523.96
  4. Step 4: Simplify right side
    98,733.44x = 12,654,889,705.80
  5. Step 5: Solve for x
    x = 12,654,889,705.80/98,733.44
  6. Step 6: Final answer
    x = 128,172.28

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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.