Home / 167,811.82-251,679.29-47,866.49

Finding the Fourth Proportional to 167,811.82, 251,679.29 and 47,866.49

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Solution

The fourth proportional to 167,811.82, 251,679.29 and 47,866.49 is: 71,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,811.82 : 251,679.29 = 47,866.49 : x
  2. Step 2: Convert to fraction form
    167,811.82/251,679.29 = 47,866.49/x
  3. Step 3: Cross multiply
    167,811.82x = 251,679.29 × 47,866.49
  4. Step 4: Simplify right side
    167,811.82x = 12,047,004,217.99
  5. Step 5: Solve for x
    x = 12,047,004,217.99/167,811.82
  6. Step 6: Final answer
    x = 71,788.77

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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.