Home / 140,906.75-194,444.01-80,465.54

Finding the Fourth Proportional to 140,906.75, 194,444.01 and 80,465.54

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Solution

The fourth proportional to 140,906.75, 194,444.01 and 80,465.54 is: 111,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,906.75 : 194,444.01 = 80,465.54 : x
  2. Step 2: Convert to fraction form
    140,906.75/194,444.01 = 80,465.54/x
  3. Step 3: Cross multiply
    140,906.75x = 194,444.01 × 80,465.54
  4. Step 4: Simplify right side
    140,906.75x = 15,646,041,292.20
  5. Step 5: Solve for x
    x = 15,646,041,292.20/140,906.75
  6. Step 6: Final answer
    x = 111,038.27

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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.