Home / 149,144.16-205,818.97-82,076.16

Finding the Fourth Proportional to 149,144.16, 205,818.97 and 82,076.16

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Solution

The fourth proportional to 149,144.16, 205,818.97 and 82,076.16 is: 113,265.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,144.16 : 205,818.97 = 82,076.16 : x
  2. Step 2: Convert to fraction form
    149,144.16/205,818.97 = 82,076.16/x
  3. Step 3: Cross multiply
    149,144.16x = 205,818.97 × 82,076.16
  4. Step 4: Simplify right side
    149,144.16x = 16,892,830,712.76
  5. Step 5: Solve for x
    x = 16,892,830,712.76/149,144.16
  6. Step 6: Final answer
    x = 113,265.12

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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.