Home / 131,093.20-196,668.60-42,331.60

Finding the Fourth Proportional to 131,093.20, 196,668.60 and 42,331.60

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Solution

The fourth proportional to 131,093.20, 196,668.60 and 42,331.60 is: 63,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,093.20 : 196,668.60 = 42,331.60 : x
  2. Step 2: Convert to fraction form
    131,093.20/196,668.60 = 42,331.60/x
  3. Step 3: Cross multiply
    131,093.20x = 196,668.60 × 42,331.60
  4. Step 4: Simplify right side
    131,093.20x = 8,325,296,507.76
  5. Step 5: Solve for x
    x = 8,325,296,507.76/131,093.20
  6. Step 6: Final answer
    x = 63,506.70

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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.