Home / 115,283.25-172,949.48-40,407.96

Finding the Fourth Proportional to 115,283.25, 172,949.48 and 40,407.96

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Solution

The fourth proportional to 115,283.25, 172,949.48 and 40,407.96 is: 60,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,283.25 : 172,949.48 = 40,407.96 : x
  2. Step 2: Convert to fraction form
    115,283.25/172,949.48 = 40,407.96/x
  3. Step 3: Cross multiply
    115,283.25x = 172,949.48 × 40,407.96
  4. Step 4: Simplify right side
    115,283.25x = 6,988,535,467.82
  5. Step 5: Solve for x
    x = 6,988,535,467.82/115,283.25
  6. Step 6: Final answer
    x = 60,620.56

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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.