Home / 145,827.87-201,263.31-82,171.59

Finding the Fourth Proportional to 145,827.87, 201,263.31 and 82,171.59

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Solution

The fourth proportional to 145,827.87, 201,263.31 and 82,171.59 is: 113,408.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,827.87 : 201,263.31 = 82,171.59 : x
  2. Step 2: Convert to fraction form
    145,827.87/201,263.31 = 82,171.59/x
  3. Step 3: Cross multiply
    145,827.87x = 201,263.31 × 82,171.59
  4. Step 4: Simplify right side
    145,827.87x = 16,538,126,191.36
  5. Step 5: Solve for x
    x = 16,538,126,191.36/145,827.87
  6. Step 6: Final answer
    x = 113,408.54

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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.