Home / 100,121.05-150,150.58-29,048.90

Finding the Fourth Proportional to 100,121.05, 150,150.58 and 29,048.90

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Solution

The fourth proportional to 100,121.05, 150,150.58 and 29,048.90 is: 43,564.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,121.05 : 150,150.58 = 29,048.90 : x
  2. Step 2: Convert to fraction form
    100,121.05/150,150.58 = 29,048.90/x
  3. Step 3: Cross multiply
    100,121.05x = 150,150.58 × 29,048.90
  4. Step 4: Simplify right side
    100,121.05x = 4,361,709,486.12
  5. Step 5: Solve for x
    x = 4,361,709,486.12/100,121.05
  6. Step 6: Final answer
    x = 43,564.36

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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.