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Finding the Fourth Proportional to 95,807.94, 143,649.33 and 45,886.44

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Solution

The fourth proportional to 95,807.94, 143,649.33 and 45,886.44 is: 68,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,807.94 : 143,649.33 = 45,886.44 : x
  2. Step 2: Convert to fraction form
    95,807.94/143,649.33 = 45,886.44/x
  3. Step 3: Cross multiply
    95,807.94x = 143,649.33 × 45,886.44
  4. Step 4: Simplify right side
    95,807.94x = 6,591,556,362.09
  5. Step 5: Solve for x
    x = 6,591,556,362.09/95,807.94
  6. Step 6: Final answer
    x = 68,799.69

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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.