Home / 77,444.75-116,153.22-20,519.03

Finding the Fourth Proportional to 77,444.75, 116,153.22 and 20,519.03

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Solution

The fourth proportional to 77,444.75, 116,153.22 and 20,519.03 is: 30,774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,444.75 : 116,153.22 = 20,519.03 : x
  2. Step 2: Convert to fraction form
    77,444.75/116,153.22 = 20,519.03/x
  3. Step 3: Cross multiply
    77,444.75x = 116,153.22 × 20,519.03
  4. Step 4: Simplify right side
    77,444.75x = 2,383,351,405.78
  5. Step 5: Solve for x
    x = 2,383,351,405.78/77,444.75
  6. Step 6: Final answer
    x = 30,774.86

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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.