Home / 119,852.20-165,394.92-66,137.64

Finding the Fourth Proportional to 119,852.20, 165,394.92 and 66,137.64

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Solution

The fourth proportional to 119,852.20, 165,394.92 and 66,137.64 is: 91,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,852.20 : 165,394.92 = 66,137.64 : x
  2. Step 2: Convert to fraction form
    119,852.20/165,394.92 = 66,137.64/x
  3. Step 3: Cross multiply
    119,852.20x = 165,394.92 × 66,137.64
  4. Step 4: Simplify right side
    119,852.20x = 10,938,829,676.79
  5. Step 5: Solve for x
    x = 10,938,829,676.79/119,852.20
  6. Step 6: Final answer
    x = 91,269.33

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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.