Home / 131,284.84-196,917.66-51,307.78

Finding the Fourth Proportional to 131,284.84, 196,917.66 and 51,307.78

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Solution

The fourth proportional to 131,284.84, 196,917.66 and 51,307.78 is: 76,957.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,284.84 : 196,917.66 = 51,307.78 : x
  2. Step 2: Convert to fraction form
    131,284.84/196,917.66 = 51,307.78/x
  3. Step 3: Cross multiply
    131,284.84x = 196,917.66 × 51,307.78
  4. Step 4: Simplify right side
    131,284.84x = 10,103,407,977.39
  5. Step 5: Solve for x
    x = 10,103,407,977.39/131,284.84
  6. Step 6: Final answer
    x = 76,957.92

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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.