Home / 150,053.72-207,072.45-82,072.64

Finding the Fourth Proportional to 150,053.72, 207,072.45 and 82,072.64

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Solution

The fourth proportional to 150,053.72, 207,072.45 and 82,072.64 is: 113,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,053.72 : 207,072.45 = 82,072.64 : x
  2. Step 2: Convert to fraction form
    150,053.72/207,072.45 = 82,072.64/x
  3. Step 3: Cross multiply
    150,053.72x = 207,072.45 × 82,072.64
  4. Step 4: Simplify right side
    150,053.72x = 16,994,983,160.45
  5. Step 5: Solve for x
    x = 16,994,983,160.45/150,053.72
  6. Step 6: Final answer
    x = 113,259.33

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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.