Home / 145,669.42-201,023.58-82,027.72

Finding the Fourth Proportional to 145,669.42, 201,023.58 and 82,027.72

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Solution

The fourth proportional to 145,669.42, 201,023.58 and 82,027.72 is: 113,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,669.42 : 201,023.58 = 82,027.72 : x
  2. Step 2: Convert to fraction form
    145,669.42/201,023.58 = 82,027.72/x
  3. Step 3: Cross multiply
    145,669.42x = 201,023.58 × 82,027.72
  4. Step 4: Simplify right side
    145,669.42x = 16,489,505,933.64
  5. Step 5: Solve for x
    x = 16,489,505,933.64/145,669.42
  6. Step 6: Final answer
    x = 113,198.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.