Home / 108,721.63-162,948.57-51,825.43

Finding the Fourth Proportional to 108,721.63, 162,948.57 and 51,825.43

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Solution

The fourth proportional to 108,721.63, 162,948.57 and 51,825.43 is: 77,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,721.63 : 162,948.57 = 51,825.43 : x
  2. Step 2: Convert to fraction form
    108,721.63/162,948.57 = 51,825.43/x
  3. Step 3: Cross multiply
    108,721.63x = 162,948.57 × 51,825.43
  4. Step 4: Simplify right side
    108,721.63x = 8,444,879,708.14
  5. Step 5: Solve for x
    x = 8,444,879,708.14/108,721.63
  6. Step 6: Final answer
    x = 77,674.33

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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.