Home / 179,421.21-269,133.87-76,824.72

Finding the Fourth Proportional to 179,421.21, 269,133.87 and 76,824.72

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Solution

The fourth proportional to 179,421.21, 269,133.87 and 76,824.72 is: 115,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,421.21 : 269,133.87 = 76,824.72 : x
  2. Step 2: Convert to fraction form
    179,421.21/269,133.87 = 76,824.72/x
  3. Step 3: Cross multiply
    179,421.21x = 269,133.87 × 76,824.72
  4. Step 4: Simplify right side
    179,421.21x = 20,676,134,493.36
  5. Step 5: Solve for x
    x = 20,676,134,493.36/179,421.21
  6. Step 6: Final answer
    x = 115,237.96

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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.