Home / 119,684.21-165,171.57-65,969.09

Finding the Fourth Proportional to 119,684.21, 165,171.57 and 65,969.09

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Solution

The fourth proportional to 119,684.21, 165,171.57 and 65,969.09 is: 91,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,684.21 : 165,171.57 = 65,969.09 : x
  2. Step 2: Convert to fraction form
    119,684.21/165,171.57 = 65,969.09/x
  3. Step 3: Cross multiply
    119,684.21x = 165,171.57 × 65,969.09
  4. Step 4: Simplify right side
    119,684.21x = 10,896,217,340.91
  5. Step 5: Solve for x
    x = 10,896,217,340.91/119,684.21
  6. Step 6: Final answer
    x = 91,041.40

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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.