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Finding the Fourth Proportional to 95,958.96, 143,903.88 and 40,559.28

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Solution

The fourth proportional to 95,958.96, 143,903.88 and 40,559.28 is: 60,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,958.96 : 143,903.88 = 40,559.28 : x
  2. Step 2: Convert to fraction form
    95,958.96/143,903.88 = 40,559.28/x
  3. Step 3: Cross multiply
    95,958.96x = 143,903.88 × 40,559.28
  4. Step 4: Simplify right side
    95,958.96x = 5,836,637,762.01
  5. Step 5: Solve for x
    x = 5,836,637,762.01/95,958.96
  6. Step 6: Final answer
    x = 60,824.31

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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.