Home / 150,331.92-207,455.80-82,348.36

Finding the Fourth Proportional to 150,331.92, 207,455.80 and 82,348.36

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Solution

The fourth proportional to 150,331.92, 207,455.80 and 82,348.36 is: 113,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,331.92 : 207,455.80 = 82,348.36 : x
  2. Step 2: Convert to fraction form
    150,331.92/207,455.80 = 82,348.36/x
  3. Step 3: Cross multiply
    150,331.92x = 207,455.80 × 82,348.36
  4. Step 4: Simplify right side
    150,331.92x = 17,083,644,902.49
  5. Step 5: Solve for x
    x = 17,083,644,902.49/150,331.92
  6. Step 6: Final answer
    x = 113,639.50

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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.