Home / 165,996.45-249,067.67-87,092.12

Finding the Fourth Proportional to 165,996.45, 249,067.67 and 87,092.12

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Solution

The fourth proportional to 165,996.45, 249,067.67 and 87,092.12 is: 130,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,996.45 : 249,067.67 = 87,092.12 : x
  2. Step 2: Convert to fraction form
    165,996.45/249,067.67 = 87,092.12/x
  3. Step 3: Cross multiply
    165,996.45x = 249,067.67 × 87,092.12
  4. Step 4: Simplify right side
    165,996.45x = 21,691,829,722.96
  5. Step 5: Solve for x
    x = 21,691,829,722.96/165,996.45
  6. Step 6: Final answer
    x = 130,676.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.