Home / 131,922.45-182,043.99-84,170.52

Finding the Fourth Proportional to 131,922.45, 182,043.99 and 84,170.52

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Solution

The fourth proportional to 131,922.45, 182,043.99 and 84,170.52 is: 116,149.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,922.45 : 182,043.99 = 84,170.52 : x
  2. Step 2: Convert to fraction form
    131,922.45/182,043.99 = 84,170.52/x
  3. Step 3: Cross multiply
    131,922.45x = 182,043.99 × 84,170.52
  4. Step 4: Simplify right side
    131,922.45x = 15,322,737,301.17
  5. Step 5: Solve for x
    x = 15,322,737,301.17/131,922.45
  6. Step 6: Final answer
    x = 116,149.58

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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.