Home / 150,023.31-225,145.74-71,137.82

Finding the Fourth Proportional to 150,023.31, 225,145.74 and 71,137.82

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Solution

The fourth proportional to 150,023.31, 225,145.74 and 71,137.82 is: 106,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,023.31 : 225,145.74 = 71,137.82 : x
  2. Step 2: Convert to fraction form
    150,023.31/225,145.74 = 71,137.82/x
  3. Step 3: Cross multiply
    150,023.31x = 225,145.74 × 71,137.82
  4. Step 4: Simplify right side
    150,023.31x = 16,016,376,296.26
  5. Step 5: Solve for x
    x = 16,016,376,296.26/150,023.31
  6. Step 6: Final answer
    x = 106,759.25

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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.