Home / 129,919.94-179,289.51-73,334.96

Finding the Fourth Proportional to 129,919.94, 179,289.51 and 73,334.96

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Solution

The fourth proportional to 129,919.94, 179,289.51 and 73,334.96 is: 101,202.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,919.94 : 179,289.51 = 73,334.96 : x
  2. Step 2: Convert to fraction form
    129,919.94/179,289.51 = 73,334.96/x
  3. Step 3: Cross multiply
    129,919.94x = 179,289.51 × 73,334.96
  4. Step 4: Simplify right side
    129,919.94x = 13,148,189,044.27
  5. Step 5: Solve for x
    x = 13,148,189,044.27/129,919.94
  6. Step 6: Final answer
    x = 101,202.24

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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.