Home / 84,420.14-126,634.44-25,256.30

Finding the Fourth Proportional to 84,420.14, 126,634.44 and 25,256.30

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Solution

The fourth proportional to 84,420.14, 126,634.44 and 25,256.30 is: 37,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,420.14 : 126,634.44 = 25,256.30 : x
  2. Step 2: Convert to fraction form
    84,420.14/126,634.44 = 25,256.30/x
  3. Step 3: Cross multiply
    84,420.14x = 126,634.44 × 25,256.30
  4. Step 4: Simplify right side
    84,420.14x = 3,198,317,406.97
  5. Step 5: Solve for x
    x = 3,198,317,406.97/84,420.14
  6. Step 6: Final answer
    x = 37,885.72

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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.