Home / 131,026.67-180,815.74-82,659.84

Finding the Fourth Proportional to 131,026.67, 180,815.74 and 82,659.84

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Solution

The fourth proportional to 131,026.67, 180,815.74 and 82,659.84 is: 114,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,026.67 : 180,815.74 = 82,659.84 : x
  2. Step 2: Convert to fraction form
    131,026.67/180,815.74 = 82,659.84/x
  3. Step 3: Cross multiply
    131,026.67x = 180,815.74 × 82,659.84
  4. Step 4: Simplify right side
    131,026.67x = 14,946,200,367.43
  5. Step 5: Solve for x
    x = 14,946,200,367.43/131,026.67
  6. Step 6: Final answer
    x = 114,069.91

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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.