Home / 140,647.90-194,099.44-80,228.38

Finding the Fourth Proportional to 140,647.90, 194,099.44 and 80,228.38

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Solution

The fourth proportional to 140,647.90, 194,099.44 and 80,228.38 is: 110,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,647.90 : 194,099.44 = 80,228.38 : x
  2. Step 2: Convert to fraction form
    140,647.90/194,099.44 = 80,228.38/x
  3. Step 3: Cross multiply
    140,647.90x = 194,099.44 × 80,228.38
  4. Step 4: Simplify right side
    140,647.90x = 15,572,283,630.11
  5. Step 5: Solve for x
    x = 15,572,283,630.11/140,647.90
  6. Step 6: Final answer
    x = 110,718.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.