Home / 192,912.87-266,349.67-120,426.12

Finding the Fourth Proportional to 192,912.87, 266,349.67 and 120,426.12

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Solution

The fourth proportional to 192,912.87, 266,349.67 and 120,426.12 is: 166,269.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,912.87 : 266,349.67 = 120,426.12 : x
  2. Step 2: Convert to fraction form
    192,912.87/266,349.67 = 120,426.12/x
  3. Step 3: Cross multiply
    192,912.87x = 266,349.67 × 120,426.12
  4. Step 4: Simplify right side
    192,912.87x = 32,075,456,271.21
  5. Step 5: Solve for x
    x = 32,075,456,271.21/192,912.87
  6. Step 6: Final answer
    x = 166,269.14

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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.