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Finding the Fourth Proportional to 115,094.64, 158,819.25 and 64,105.66

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Solution

The fourth proportional to 115,094.64, 158,819.25 and 64,105.66 is: 88,459.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,094.64 : 158,819.25 = 64,105.66 : x
  2. Step 2: Convert to fraction form
    115,094.64/158,819.25 = 64,105.66/x
  3. Step 3: Cross multiply
    115,094.64x = 158,819.25 × 64,105.66
  4. Step 4: Simplify right side
    115,094.64x = 10,181,212,841.96
  5. Step 5: Solve for x
    x = 10,181,212,841.96/115,094.64
  6. Step 6: Final answer
    x = 88,459.49

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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.