Home / 262,977.80-394,725.90-130,008.20

Finding the Fourth Proportional to 262,977.80, 394,725.90 and 130,008.20

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Solution

The fourth proportional to 262,977.80, 394,725.90 and 130,008.20 is: 195,140.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,977.80 : 394,725.90 = 130,008.20 : x
  2. Step 2: Convert to fraction form
    262,977.80/394,725.90 = 130,008.20/x
  3. Step 3: Cross multiply
    262,977.80x = 394,725.90 × 130,008.20
  4. Step 4: Simplify right side
    262,977.80x = 51,317,603,752.38
  5. Step 5: Solve for x
    x = 51,317,603,752.38/262,977.80
  6. Step 6: Final answer
    x = 195,140.44

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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.