Home / 145,723.35-201,102.12-82,063.38

Finding the Fourth Proportional to 145,723.35, 201,102.12 and 82,063.38

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Solution

The fourth proportional to 145,723.35, 201,102.12 and 82,063.38 is: 113,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,723.35 : 201,102.12 = 82,063.38 : x
  2. Step 2: Convert to fraction form
    145,723.35/201,102.12 = 82,063.38/x
  3. Step 3: Cross multiply
    145,723.35x = 201,102.12 × 82,063.38
  4. Step 4: Simplify right side
    145,723.35x = 16,503,119,692.37
  5. Step 5: Solve for x
    x = 16,503,119,692.37/145,723.35
  6. Step 6: Final answer
    x = 113,249.66

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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.