Home / 149,734.44-206,633.91-81,752.00

Finding the Fourth Proportional to 149,734.44, 206,633.91 and 81,752.00

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Solution

The fourth proportional to 149,734.44, 206,633.91 and 81,752.00 is: 112,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,734.44 : 206,633.91 = 81,752.00 : x
  2. Step 2: Convert to fraction form
    149,734.44/206,633.91 = 81,752.00/x
  3. Step 3: Cross multiply
    149,734.44x = 206,633.91 × 81,752.00
  4. Step 4: Simplify right side
    149,734.44x = 16,892,734,744.37
  5. Step 5: Solve for x
    x = 16,892,734,744.37/149,734.44
  6. Step 6: Final answer
    x = 112,817.97

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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.