Home / 129,923.80-194,739.90-73,790.80

Finding the Fourth Proportional to 129,923.80, 194,739.90 and 73,790.80

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Solution

The fourth proportional to 129,923.80, 194,739.90 and 73,790.80 is: 110,603.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,923.80 : 194,739.90 = 73,790.80 : x
  2. Step 2: Convert to fraction form
    129,923.80/194,739.90 = 73,790.80/x
  3. Step 3: Cross multiply
    129,923.80x = 194,739.90 × 73,790.80
  4. Step 4: Simplify right side
    129,923.80x = 14,370,013,012.92
  5. Step 5: Solve for x
    x = 14,370,013,012.92/129,923.80
  6. Step 6: Final answer
    x = 110,603.39

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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.