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Finding the Fourth Proportional to 169,852.44, 233,991.18 and 118,769.64

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Solution

The fourth proportional to 169,852.44, 233,991.18 and 118,769.64 is: 163,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,852.44 : 233,991.18 = 118,769.64 : x
  2. Step 2: Convert to fraction form
    169,852.44/233,991.18 = 118,769.64/x
  3. Step 3: Cross multiply
    169,852.44x = 233,991.18 × 118,769.64
  4. Step 4: Simplify right side
    169,852.44x = 27,791,048,211.78
  5. Step 5: Solve for x
    x = 27,791,048,211.78/169,852.44
  6. Step 6: Final answer
    x = 163,618.78

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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.