Home / 134,920.16-202,361.22-84,847.60

Finding the Fourth Proportional to 134,920.16, 202,361.22 and 84,847.60

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Solution

The fourth proportional to 134,920.16, 202,361.22 and 84,847.60 is: 127,259.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,920.16 : 202,361.22 = 84,847.60 : x
  2. Step 2: Convert to fraction form
    134,920.16/202,361.22 = 84,847.60/x
  3. Step 3: Cross multiply
    134,920.16x = 202,361.22 × 84,847.60
  4. Step 4: Simplify right side
    134,920.16x = 17,169,863,850.07
  5. Step 5: Solve for x
    x = 17,169,863,850.07/134,920.16
  6. Step 6: Final answer
    x = 127,259.44

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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.