Home / 169,965.44-255,000-122,687.36

Finding the Fourth Proportional to 169,965.44, 255,000 and 122,687.36

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Solution

The fourth proportional to 169,965.44, 255,000 and 122,687.36 is: 184,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,965.44 : 255,000 = 122,687.36 : x
  2. Step 2: Convert to fraction form
    169,965.44/255,000 = 122,687.36/x
  3. Step 3: Cross multiply
    169,965.44x = 255,000 × 122,687.36
  4. Step 4: Simplify right side
    169,965.44x = 31,285,276,800
  5. Step 5: Solve for x
    x = 31,285,276,800/169,965.44
  6. Step 6: Final answer
    x = 184,068.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.