Home / 192,642.48-288,914-57,679.92

Finding the Fourth Proportional to 192,642.48, 288,914 and 57,679.92

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Solution

The fourth proportional to 192,642.48, 288,914 and 57,679.92 is: 86,504.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,642.48 : 288,914 = 57,679.92 : x
  2. Step 2: Convert to fraction form
    192,642.48/288,914 = 57,679.92/x
  3. Step 3: Cross multiply
    192,642.48x = 288,914 × 57,679.92
  4. Step 4: Simplify right side
    192,642.48x = 16,664,536,406.88
  5. Step 5: Solve for x
    x = 16,664,536,406.88/192,642.48
  6. Step 6: Final answer
    x = 86,504.99

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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.