Home / 192,867.37-289,347.23-80,485.07

Finding the Fourth Proportional to 192,867.37, 289,347.23 and 80,485.07

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Solution

The fourth proportional to 192,867.37, 289,347.23 and 80,485.07 is: 120,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,867.37 : 289,347.23 = 80,485.07 : x
  2. Step 2: Convert to fraction form
    192,867.37/289,347.23 = 80,485.07/x
  3. Step 3: Cross multiply
    192,867.37x = 289,347.23 × 80,485.07
  4. Step 4: Simplify right side
    192,867.37x = 23,288,130,815.33
  5. Step 5: Solve for x
    x = 23,288,130,815.33/192,867.37
  6. Step 6: Final answer
    x = 120,746.87

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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.