Home / 149,937.94-206,914.18-81,955.36

Finding the Fourth Proportional to 149,937.94, 206,914.18 and 81,955.36

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Solution

The fourth proportional to 149,937.94, 206,914.18 and 81,955.36 is: 113,098.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,937.94 : 206,914.18 = 81,955.36 : x
  2. Step 2: Convert to fraction form
    149,937.94/206,914.18 = 81,955.36/x
  3. Step 3: Cross multiply
    149,937.94x = 206,914.18 × 81,955.36
  4. Step 4: Simplify right side
    149,937.94x = 16,957,724,666.66
  5. Step 5: Solve for x
    x = 16,957,724,666.66/149,937.94
  6. Step 6: Final answer
    x = 113,098.29

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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.