Home / 119,935.49-165,511.22-66,220.61

Finding the Fourth Proportional to 119,935.49, 165,511.22 and 66,220.61

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Solution

The fourth proportional to 119,935.49, 165,511.22 and 66,220.61 is: 91,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,935.49 : 165,511.22 = 66,220.61 : x
  2. Step 2: Convert to fraction form
    119,935.49/165,511.22 = 66,220.61/x
  3. Step 3: Cross multiply
    119,935.49x = 165,511.22 × 66,220.61
  4. Step 4: Simplify right side
    119,935.49x = 10,960,252,791.59
  5. Step 5: Solve for x
    x = 10,960,252,791.59/119,935.49
  6. Step 6: Final answer
    x = 91,384.57

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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.