Home / 69,438.98-104,150.23-18,144.25

Finding the Fourth Proportional to 69,438.98, 104,150.23 and 18,144.25

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Solution

The fourth proportional to 69,438.98, 104,150.23 and 18,144.25 is: 27,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,438.98 : 104,150.23 = 18,144.25 : x
  2. Step 2: Convert to fraction form
    69,438.98/104,150.23 = 18,144.25/x
  3. Step 3: Cross multiply
    69,438.98x = 104,150.23 × 18,144.25
  4. Step 4: Simplify right side
    69,438.98x = 1,889,727,810.68
  5. Step 5: Solve for x
    x = 1,889,727,810.68/69,438.98
  6. Step 6: Final answer
    x = 27,214.22

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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.