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Finding the Fourth Proportional to 95,855.70, 143,685.08 and 43,301.82

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Solution

The fourth proportional to 95,855.70, 143,685.08 and 43,301.82 is: 64,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,855.70 : 143,685.08 = 43,301.82 : x
  2. Step 2: Convert to fraction form
    95,855.70/143,685.08 = 43,301.82/x
  3. Step 3: Cross multiply
    95,855.70x = 143,685.08 × 43,301.82
  4. Step 4: Simplify right side
    95,855.70x = 6,221,825,470.85
  5. Step 5: Solve for x
    x = 6,221,825,470.85/95,855.70
  6. Step 6: Final answer
    x = 64,908.25

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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.