Home / 85,299.58-127,949.37-82,966.78

Finding the Fourth Proportional to 85,299.58, 127,949.37 and 82,966.78

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Solution

The fourth proportional to 85,299.58, 127,949.37 and 82,966.78 is: 124,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,299.58 : 127,949.37 = 82,966.78 : x
  2. Step 2: Convert to fraction form
    85,299.58/127,949.37 = 82,966.78/x
  3. Step 3: Cross multiply
    85,299.58x = 127,949.37 × 82,966.78
  4. Step 4: Simplify right side
    85,299.58x = 10,615,547,231.93
  5. Step 5: Solve for x
    x = 10,615,547,231.93/85,299.58
  6. Step 6: Final answer
    x = 124,450.17

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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.