Home / 194,319.48-291,479.22-75,907.78

Finding the Fourth Proportional to 194,319.48, 291,479.22 and 75,907.78

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Solution

The fourth proportional to 194,319.48, 291,479.22 and 75,907.78 is: 113,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,319.48 : 291,479.22 = 75,907.78 : x
  2. Step 2: Convert to fraction form
    194,319.48/291,479.22 = 75,907.78/x
  3. Step 3: Cross multiply
    194,319.48x = 291,479.22 × 75,907.78
  4. Step 4: Simplify right side
    194,319.48x = 22,125,540,506.33
  5. Step 5: Solve for x
    x = 22,125,540,506.33/194,319.48
  6. Step 6: Final answer
    x = 113,861.67

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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.