Home / 84,336.78-126,527.07-25,172.44

Finding the Fourth Proportional to 84,336.78, 126,527.07 and 25,172.44

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Solution

The fourth proportional to 84,336.78, 126,527.07 and 25,172.44 is: 37,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,336.78 : 126,527.07 = 25,172.44 : x
  2. Step 2: Convert to fraction form
    84,336.78/126,527.07 = 25,172.44/x
  3. Step 3: Cross multiply
    84,336.78x = 126,527.07 × 25,172.44
  4. Step 4: Simplify right side
    84,336.78x = 3,184,995,077.95
  5. Step 5: Solve for x
    x = 3,184,995,077.95/84,336.78
  6. Step 6: Final answer
    x = 37,765.20

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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.