Home / 263,223.40-394,575.90-130,124.20

Finding the Fourth Proportional to 263,223.40, 394,575.90 and 130,124.20

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Solution

The fourth proportional to 263,223.40, 394,575.90 and 130,124.20 is: 195,058.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,223.40 : 394,575.90 = 130,124.20 : x
  2. Step 2: Convert to fraction form
    263,223.40/394,575.90 = 130,124.20/x
  3. Step 3: Cross multiply
    263,223.40x = 394,575.90 × 130,124.20
  4. Step 4: Simplify right side
    263,223.40x = 51,343,873,326.78
  5. Step 5: Solve for x
    x = 51,343,873,326.78/263,223.40
  6. Step 6: Final answer
    x = 195,058.16

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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.