Home / 100,181.46-150,215.90-68,627.10

Finding the Fourth Proportional to 100,181.46, 150,215.90 and 68,627.10

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Solution

The fourth proportional to 100,181.46, 150,215.90 and 68,627.10 is: 102,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,181.46 : 150,215.90 = 68,627.10 : x
  2. Step 2: Convert to fraction form
    100,181.46/150,215.90 = 68,627.10/x
  3. Step 3: Cross multiply
    100,181.46x = 150,215.90 × 68,627.10
  4. Step 4: Simplify right side
    100,181.46x = 10,308,881,247.75
  5. Step 5: Solve for x
    x = 10,308,881,247.75/100,181.46
  6. Step 6: Final answer
    x = 102,902.09

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1.5x scale

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.