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Finding the Fourth Proportional to 165,754.58, 228,741.59 and 94,134.59

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Solution

The fourth proportional to 165,754.58, 228,741.59 and 94,134.59 is: 129,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,754.58 : 228,741.59 = 94,134.59 : x
  2. Step 2: Convert to fraction form
    165,754.58/228,741.59 = 94,134.59/x
  3. Step 3: Cross multiply
    165,754.58x = 228,741.59 × 94,134.59
  4. Step 4: Simplify right side
    165,754.58x = 21,532,494,176.22
  5. Step 5: Solve for x
    x = 21,532,494,176.22/165,754.58
  6. Step 6: Final answer
    x = 129,905.88

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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.