Home / 134,083.35-201,198.90-81,529.74

Finding the Fourth Proportional to 134,083.35, 201,198.90 and 81,529.74

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Solution

The fourth proportional to 134,083.35, 201,198.90 and 81,529.74 is: 122,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,083.35 : 201,198.90 = 81,529.74 : x
  2. Step 2: Convert to fraction form
    134,083.35/201,198.90 = 81,529.74/x
  3. Step 3: Cross multiply
    134,083.35x = 201,198.90 × 81,529.74
  4. Step 4: Simplify right side
    134,083.35x = 16,403,694,005.29
  5. Step 5: Solve for x
    x = 16,403,694,005.29/134,083.35
  6. Step 6: Final answer
    x = 122,339.53

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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.