Home / 192,862.23-289,339.20-80,480.00

Finding the Fourth Proportional to 192,862.23, 289,339.20 and 80,480.00

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Solution

The fourth proportional to 192,862.23, 289,339.20 and 80,480.00 is: 120,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,862.23 : 289,339.20 = 80,480.00 : x
  2. Step 2: Convert to fraction form
    192,862.23/289,339.20 = 80,480.00/x
  3. Step 3: Cross multiply
    192,862.23x = 289,339.20 × 80,480.00
  4. Step 4: Simplify right side
    192,862.23x = 23,286,017,369.30
  5. Step 5: Solve for x
    x = 23,286,017,369.30/192,862.23
  6. Step 6: Final answer
    x = 120,739.13

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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.