Home / 150,747.82-208,016.58-87,106.12

Finding the Fourth Proportional to 150,747.82, 208,016.58 and 87,106.12

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Solution

The fourth proportional to 150,747.82, 208,016.58 and 87,106.12 is: 120,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,747.82 : 208,016.58 = 87,106.12 : x
  2. Step 2: Convert to fraction form
    150,747.82/208,016.58 = 87,106.12/x
  3. Step 3: Cross multiply
    150,747.82x = 208,016.58 × 87,106.12
  4. Step 4: Simplify right side
    150,747.82x = 18,119,517,179.47
  5. Step 5: Solve for x
    x = 18,119,517,179.47/150,747.82
  6. Step 6: Final answer
    x = 120,197.54

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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.