Home / 136,917.93-204,877.32-80,784.93

Finding the Fourth Proportional to 136,917.93, 204,877.32 and 80,784.93

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Solution

The fourth proportional to 136,917.93, 204,877.32 and 80,784.93 is: 120,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,917.93 : 204,877.32 = 80,784.93 : x
  2. Step 2: Convert to fraction form
    136,917.93/204,877.32 = 80,784.93/x
  3. Step 3: Cross multiply
    136,917.93x = 204,877.32 × 80,784.93
  4. Step 4: Simplify right side
    136,917.93x = 16,550,999,954.79
  5. Step 5: Solve for x
    x = 16,550,999,954.79/136,917.93
  6. Step 6: Final answer
    x = 120,882.63

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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.