Home / 119,696.82-165,193.25-89,429.60

Finding the Fourth Proportional to 119,696.82, 165,193.25 and 89,429.60

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Solution

The fourth proportional to 119,696.82, 165,193.25 and 89,429.60 is: 123,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,696.82 : 165,193.25 = 89,429.60 : x
  2. Step 2: Convert to fraction form
    119,696.82/165,193.25 = 89,429.60/x
  3. Step 3: Cross multiply
    119,696.82x = 165,193.25 × 89,429.60
  4. Step 4: Simplify right side
    119,696.82x = 14,773,164,997.09
  5. Step 5: Solve for x
    x = 14,773,164,997.09/119,696.82
  6. Step 6: Final answer
    x = 123,421.53

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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.