Home / 95,431.32-143,220.78-66,054.42

Finding the Fourth Proportional to 95,431.32, 143,220.78 and 66,054.42

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Solution

The fourth proportional to 95,431.32, 143,220.78 and 66,054.42 is: 99,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,431.32 : 143,220.78 = 66,054.42 : x
  2. Step 2: Convert to fraction form
    95,431.32/143,220.78 = 66,054.42/x
  3. Step 3: Cross multiply
    95,431.32x = 143,220.78 × 66,054.42
  4. Step 4: Simplify right side
    95,431.32x = 9,460,365,554.85
  5. Step 5: Solve for x
    x = 9,460,365,554.85/95,431.32
  6. Step 6: Final answer
    x = 99,132.71

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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.