Home / 150,328.00-207,443.78-82,331.44

Finding the Fourth Proportional to 150,328.00, 207,443.78 and 82,331.44

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Solution

The fourth proportional to 150,328.00, 207,443.78 and 82,331.44 is: 113,612.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,328.00 : 207,443.78 = 82,331.44 : x
  2. Step 2: Convert to fraction form
    150,328.00/207,443.78 = 82,331.44/x
  3. Step 3: Cross multiply
    150,328.00x = 207,443.78 × 82,331.44
  4. Step 4: Simplify right side
    150,328.00x = 17,079,144,968.03
  5. Step 5: Solve for x
    x = 17,079,144,968.03/150,328.00
  6. Step 6: Final answer
    x = 113,612.53

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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.