Home / 134,640.90-201,899.52-45,858.29

Finding the Fourth Proportional to 134,640.90, 201,899.52 and 45,858.29

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Solution

The fourth proportional to 134,640.90, 201,899.52 and 45,858.29 is: 68,766.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,640.90 : 201,899.52 = 45,858.29 : x
  2. Step 2: Convert to fraction form
    134,640.90/201,899.52 = 45,858.29/x
  3. Step 3: Cross multiply
    134,640.90x = 201,899.52 × 45,858.29
  4. Step 4: Simplify right side
    134,640.90x = 9,258,765,729.52
  5. Step 5: Solve for x
    x = 9,258,765,729.52/134,640.90
  6. Step 6: Final answer
    x = 68,766.37

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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.