Home / 81,460.47-122,195.31-25,308.57

Finding the Fourth Proportional to 81,460.47, 122,195.31 and 25,308.57

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Solution

The fourth proportional to 81,460.47, 122,195.31 and 25,308.57 is: 37,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,460.47 : 122,195.31 = 25,308.57 : x
  2. Step 2: Convert to fraction form
    81,460.47/122,195.31 = 25,308.57/x
  3. Step 3: Cross multiply
    81,460.47x = 122,195.31 × 25,308.57
  4. Step 4: Simplify right side
    81,460.47x = 3,092,588,556.81
  5. Step 5: Solve for x
    x = 3,092,588,556.81/81,460.47
  6. Step 6: Final answer
    x = 37,964.29

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1.5x scale

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.