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Finding the Fourth Proportional to 143,271.64, 214,907.46 and 44,775.64

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Solution

The fourth proportional to 143,271.64, 214,907.46 and 44,775.64 is: 67,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,271.64 : 214,907.46 = 44,775.64 : x
  2. Step 2: Convert to fraction form
    143,271.64/214,907.46 = 44,775.64/x
  3. Step 3: Cross multiply
    143,271.64x = 214,907.46 × 44,775.64
  4. Step 4: Simplify right side
    143,271.64x = 9,622,619,062.27
  5. Step 5: Solve for x
    x = 9,622,619,062.27/143,271.64
  6. Step 6: Final answer
    x = 67,163.46

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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.