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Finding the Fourth Proportional to 171,056.36, 236,053.70 and 95,611.88

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Solution

The fourth proportional to 171,056.36, 236,053.70 and 95,611.88 is: 131,942.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,056.36 : 236,053.70 = 95,611.88 : x
  2. Step 2: Convert to fraction form
    171,056.36/236,053.70 = 95,611.88/x
  3. Step 3: Cross multiply
    171,056.36x = 236,053.70 × 95,611.88
  4. Step 4: Simplify right side
    171,056.36x = 22,569,538,037.96
  5. Step 5: Solve for x
    x = 22,569,538,037.96/171,056.36
  6. Step 6: Final answer
    x = 131,942.12

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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.