Home / 120,002.21-179,864.73-45,074.52

Finding the Fourth Proportional to 120,002.21, 179,864.73 and 45,074.52

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Solution

The fourth proportional to 120,002.21, 179,864.73 and 45,074.52 is: 67,559.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,002.21 : 179,864.73 = 45,074.52 : x
  2. Step 2: Convert to fraction form
    120,002.21/179,864.73 = 45,074.52/x
  3. Step 3: Cross multiply
    120,002.21x = 179,864.73 × 45,074.52
  4. Step 4: Simplify right side
    120,002.21x = 8,107,316,369.68
  5. Step 5: Solve for x
    x = 8,107,316,369.68/120,002.21
  6. Step 6: Final answer
    x = 67,559.73

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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.