Home / 84,299.76-126,467.88-25,140.24

Finding the Fourth Proportional to 84,299.76, 126,467.88 and 25,140.24

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Solution

The fourth proportional to 84,299.76, 126,467.88 and 25,140.24 is: 37,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,299.76 : 126,467.88 = 25,140.24 : x
  2. Step 2: Convert to fraction form
    84,299.76/126,467.88 = 25,140.24/x
  3. Step 3: Cross multiply
    84,299.76x = 126,467.88 × 25,140.24
  4. Step 4: Simplify right side
    84,299.76x = 3,179,432,855.49
  5. Step 5: Solve for x
    x = 3,179,432,855.49/84,299.76
  6. Step 6: Final answer
    x = 37,715.80

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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.