Home / 113,229.54-169,890.42-57,085.80

Finding the Fourth Proportional to 113,229.54, 169,890.42 and 57,085.80

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Solution

The fourth proportional to 113,229.54, 169,890.42 and 57,085.80 is: 85,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,229.54 : 169,890.42 = 57,085.80 : x
  2. Step 2: Convert to fraction form
    113,229.54/169,890.42 = 57,085.80/x
  3. Step 3: Cross multiply
    113,229.54x = 169,890.42 × 57,085.80
  4. Step 4: Simplify right side
    113,229.54x = 9,698,330,538.04
  5. Step 5: Solve for x
    x = 9,698,330,538.04/113,229.54
  6. Step 6: Final answer
    x = 85,651.95

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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.