Home / 150,148.58-207,205.07-82,165.57

Finding the Fourth Proportional to 150,148.58, 207,205.07 and 82,165.57

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Solution

The fourth proportional to 150,148.58, 207,205.07 and 82,165.57 is: 113,388.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,148.58 : 207,205.07 = 82,165.57 : x
  2. Step 2: Convert to fraction form
    150,148.58/207,205.07 = 82,165.57/x
  3. Step 3: Cross multiply
    150,148.58x = 207,205.07 × 82,165.57
  4. Step 4: Simplify right side
    150,148.58x = 17,025,122,272.61
  5. Step 5: Solve for x
    x = 17,025,122,272.61/150,148.58
  6. Step 6: Final answer
    x = 113,388.50

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1.5x scale

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.