Home / 89,997.21-134,702.84-66,295.41

Finding the Fourth Proportional to 89,997.21, 134,702.84 and 66,295.41

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Solution

The fourth proportional to 89,997.21, 134,702.84 and 66,295.41 is: 99,227.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,997.21 : 134,702.84 = 66,295.41 : x
  2. Step 2: Convert to fraction form
    89,997.21/134,702.84 = 66,295.41/x
  3. Step 3: Cross multiply
    89,997.21x = 134,702.84 × 66,295.41
  4. Step 4: Simplify right side
    89,997.21x = 8,930,179,674.49
  5. Step 5: Solve for x
    x = 8,930,179,674.49/89,997.21
  6. Step 6: Final answer
    x = 99,227.29

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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.