Home / 227,136.85-313,448.88-131,698.90

Finding the Fourth Proportional to 227,136.85, 313,448.88 and 131,698.90

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Solution

The fourth proportional to 227,136.85, 313,448.88 and 131,698.90 is: 181,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,136.85 : 313,448.88 = 131,698.90 : x
  2. Step 2: Convert to fraction form
    227,136.85/313,448.88 = 131,698.90/x
  3. Step 3: Cross multiply
    227,136.85x = 313,448.88 × 131,698.90
  4. Step 4: Simplify right side
    227,136.85x = 41,280,872,702.23
  5. Step 5: Solve for x
    x = 41,280,872,702.23/227,136.85
  6. Step 6: Final answer
    x = 181,744.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.