Home / 95,749.37-143,642.96-28,282.55

Finding the Fourth Proportional to 95,749.37, 143,642.96 and 28,282.55

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Solution

The fourth proportional to 95,749.37, 143,642.96 and 28,282.55 is: 42,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,749.37 : 143,642.96 = 28,282.55 : x
  2. Step 2: Convert to fraction form
    95,749.37/143,642.96 = 28,282.55/x
  3. Step 3: Cross multiply
    95,749.37x = 143,642.96 × 28,282.55
  4. Step 4: Simplify right side
    95,749.37x = 4,062,588,338.72
  5. Step 5: Solve for x
    x = 4,062,588,338.72/95,749.37
  6. Step 6: Final answer
    x = 42,429.40

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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.