Home / 140,199.39-210,327.03-45,453.69

Finding the Fourth Proportional to 140,199.39, 210,327.03 and 45,453.69

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Solution

The fourth proportional to 140,199.39, 210,327.03 and 45,453.69 is: 68,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,199.39 : 210,327.03 = 45,453.69 : x
  2. Step 2: Convert to fraction form
    140,199.39/210,327.03 = 45,453.69/x
  3. Step 3: Cross multiply
    140,199.39x = 210,327.03 × 45,453.69
  4. Step 4: Simplify right side
    140,199.39x = 9,560,139,620.24
  5. Step 5: Solve for x
    x = 9,560,139,620.24/140,199.39
  6. Step 6: Final answer
    x = 68,189.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.