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Finding the Fourth Proportional to 169,369.04, 254,102.76 and 75,852.80

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Solution

The fourth proportional to 169,369.04, 254,102.76 and 75,852.80 is: 113,801.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,369.04 : 254,102.76 = 75,852.80 : x
  2. Step 2: Convert to fraction form
    169,369.04/254,102.76 = 75,852.80/x
  3. Step 3: Cross multiply
    169,369.04x = 254,102.76 × 75,852.80
  4. Step 4: Simplify right side
    169,369.04x = 19,274,405,833.73
  5. Step 5: Solve for x
    x = 19,274,405,833.73/169,369.04
  6. Step 6: Final answer
    x = 113,801.23

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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.