Home / 147,889.32-204,084.26-80,821.80

Finding the Fourth Proportional to 147,889.32, 204,084.26 and 80,821.80

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Solution

The fourth proportional to 147,889.32, 204,084.26 and 80,821.80 is: 111,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,889.32 : 204,084.26 = 80,821.80 : x
  2. Step 2: Convert to fraction form
    147,889.32/204,084.26 = 80,821.80/x
  3. Step 3: Cross multiply
    147,889.32x = 204,084.26 × 80,821.80
  4. Step 4: Simplify right side
    147,889.32x = 16,494,457,244.87
  5. Step 5: Solve for x
    x = 16,494,457,244.87/147,889.32
  6. Step 6: Final answer
    x = 111,532.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.