Home / 83,425.96-125,137.88-20,246.60

Finding the Fourth Proportional to 83,425.96, 125,137.88 and 20,246.60

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Solution

The fourth proportional to 83,425.96, 125,137.88 and 20,246.60 is: 30,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,425.96 : 125,137.88 = 20,246.60 : x
  2. Step 2: Convert to fraction form
    83,425.96/125,137.88 = 20,246.60/x
  3. Step 3: Cross multiply
    83,425.96x = 125,137.88 × 20,246.60
  4. Step 4: Simplify right side
    83,425.96x = 2,533,616,601.21
  5. Step 5: Solve for x
    x = 2,533,616,601.21/83,425.96
  6. Step 6: Final answer
    x = 30,369.64

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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.