Home / 69,457.50-104,186.16-16,866.90

Finding the Fourth Proportional to 69,457.50, 104,186.16 and 16,866.90

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Solution

The fourth proportional to 69,457.50, 104,186.16 and 16,866.90 is: 25,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,457.50 : 104,186.16 = 16,866.90 : x
  2. Step 2: Convert to fraction form
    69,457.50/104,186.16 = 16,866.90/x
  3. Step 3: Cross multiply
    69,457.50x = 104,186.16 × 16,866.90
  4. Step 4: Simplify right side
    69,457.50x = 1,757,297,542.10
  5. Step 5: Solve for x
    x = 1,757,297,542.10/69,457.50
  6. Step 6: Final answer
    x = 25,300.33

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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.