Home / 149,957.66-206,941.62-81,974.94

Finding the Fourth Proportional to 149,957.66, 206,941.62 and 81,974.94

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Solution

The fourth proportional to 149,957.66, 206,941.62 and 81,974.94 is: 113,125.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,957.66 : 206,941.62 = 81,974.94 : x
  2. Step 2: Convert to fraction form
    149,957.66/206,941.62 = 81,974.94/x
  3. Step 3: Cross multiply
    149,957.66x = 206,941.62 × 81,974.94
  4. Step 4: Simplify right side
    149,957.66x = 16,964,026,883.00
  5. Step 5: Solve for x
    x = 16,964,026,883.00/149,957.66
  6. Step 6: Final answer
    x = 113,125.44

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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.