Home / 112,940.46-169,382.27-46,398.96

Finding the Fourth Proportional to 112,940.46, 169,382.27 and 46,398.96

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Solution

The fourth proportional to 112,940.46, 169,382.27 and 46,398.96 is: 69,586.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,940.46 : 169,382.27 = 46,398.96 : x
  2. Step 2: Convert to fraction form
    112,940.46/169,382.27 = 46,398.96/x
  3. Step 3: Cross multiply
    112,940.46x = 169,382.27 × 46,398.96
  4. Step 4: Simplify right side
    112,940.46x = 7,859,161,286.44
  5. Step 5: Solve for x
    x = 7,859,161,286.44/112,940.46
  6. Step 6: Final answer
    x = 69,586.77

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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.