Home / 100,150.36-150,215.78-26,278.36

Finding the Fourth Proportional to 100,150.36, 150,215.78 and 26,278.36

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Solution

The fourth proportional to 100,150.36, 150,215.78 and 26,278.36 is: 39,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,150.36 : 150,215.78 = 26,278.36 : x
  2. Step 2: Convert to fraction form
    100,150.36/150,215.78 = 26,278.36/x
  3. Step 3: Cross multiply
    100,150.36x = 150,215.78 × 26,278.36
  4. Step 4: Simplify right side
    100,150.36x = 3,947,424,344.52
  5. Step 5: Solve for x
    x = 3,947,424,344.52/100,150.36
  6. Step 6: Final answer
    x = 39,414.98

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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.