Home / 149,925.40-206,896.56-81,942.37

Finding the Fourth Proportional to 149,925.40, 206,896.56 and 81,942.37

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Solution

The fourth proportional to 149,925.40, 206,896.56 and 81,942.37 is: 113,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,925.40 : 206,896.56 = 81,942.37 : x
  2. Step 2: Convert to fraction form
    149,925.40/206,896.56 = 81,942.37/x
  3. Step 3: Cross multiply
    149,925.40x = 206,896.56 × 81,942.37
  4. Step 4: Simplify right side
    149,925.40x = 16,953,594,471.25
  5. Step 5: Solve for x
    x = 16,953,594,471.25/149,925.40
  6. Step 6: Final answer
    x = 113,080.20

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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.