Home / 85,300.22-127,946.64-29,145.34

Finding the Fourth Proportional to 85,300.22, 127,946.64 and 29,145.34

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Solution

The fourth proportional to 85,300.22, 127,946.64 and 29,145.34 is: 43,716.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,300.22 : 127,946.64 = 29,145.34 : x
  2. Step 2: Convert to fraction form
    85,300.22/127,946.64 = 29,145.34/x
  3. Step 3: Cross multiply
    85,300.22x = 127,946.64 × 29,145.34
  4. Step 4: Simplify right side
    85,300.22x = 3,729,048,324.66
  5. Step 5: Solve for x
    x = 3,729,048,324.66/85,300.22
  6. Step 6: Final answer
    x = 43,716.75

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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.