Home / 194,845.28-292,370.58-138,284.60

Finding the Fourth Proportional to 194,845.28, 292,370.58 and 138,284.60

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Solution

The fourth proportional to 194,845.28, 292,370.58 and 138,284.60 is: 207,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,845.28 : 292,370.58 = 138,284.60 : x
  2. Step 2: Convert to fraction form
    194,845.28/292,370.58 = 138,284.60/x
  3. Step 3: Cross multiply
    194,845.28x = 292,370.58 × 138,284.60
  4. Step 4: Simplify right side
    194,845.28x = 40,430,347,245.22
  5. Step 5: Solve for x
    x = 40,430,347,245.22/194,845.28
  6. Step 6: Final answer
    x = 207,499.76

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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.