Home / 264,087.90-396,169.50-86,608.80

Finding the Fourth Proportional to 264,087.90, 396,169.50 and 86,608.80

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Solution

The fourth proportional to 264,087.90, 396,169.50 and 86,608.80 is: 129,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,087.90 : 396,169.50 = 86,608.80 : x
  2. Step 2: Convert to fraction form
    264,087.90/396,169.50 = 86,608.80/x
  3. Step 3: Cross multiply
    264,087.90x = 396,169.50 × 86,608.80
  4. Step 4: Simplify right side
    264,087.90x = 34,311,764,991.60
  5. Step 5: Solve for x
    x = 34,311,764,991.60/264,087.90
  6. Step 6: Final answer
    x = 129,925.55

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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.