Home / 149,471.22-206,268.93-82,403.22

Finding the Fourth Proportional to 149,471.22, 206,268.93 and 82,403.22

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Solution

The fourth proportional to 149,471.22, 206,268.93 and 82,403.22 is: 113,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,471.22 : 206,268.93 = 82,403.22 : x
  2. Step 2: Convert to fraction form
    149,471.22/206,268.93 = 82,403.22/x
  3. Step 3: Cross multiply
    149,471.22x = 206,268.93 × 82,403.22
  4. Step 4: Simplify right side
    149,471.22x = 16,997,224,017.95
  5. Step 5: Solve for x
    x = 16,997,224,017.95/149,471.22
  6. Step 6: Final answer
    x = 113,715.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.