Home / 140,604.87-194,038.07-80,181.30

Finding the Fourth Proportional to 140,604.87, 194,038.07 and 80,181.30

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Solution

The fourth proportional to 140,604.87, 194,038.07 and 80,181.30 is: 110,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,604.87 : 194,038.07 = 80,181.30 : x
  2. Step 2: Convert to fraction form
    140,604.87/194,038.07 = 80,181.30/x
  3. Step 3: Cross multiply
    140,604.87x = 194,038.07 × 80,181.30
  4. Step 4: Simplify right side
    140,604.87x = 15,558,224,301.18
  5. Step 5: Solve for x
    x = 15,558,224,301.18/140,604.87
  6. Step 6: Final answer
    x = 110,652.10

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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.