Home / 96,212.09-132,809.67-86,122.73

Finding the Fourth Proportional to 96,212.09, 132,809.67 and 86,122.73

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Solution

The fourth proportional to 96,212.09, 132,809.67 and 86,122.73 is: 118,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,212.09 : 132,809.67 = 86,122.73 : x
  2. Step 2: Convert to fraction form
    96,212.09/132,809.67 = 86,122.73/x
  3. Step 3: Cross multiply
    96,212.09x = 132,809.67 × 86,122.73
  4. Step 4: Simplify right side
    96,212.09x = 11,437,930,686.75
  5. Step 5: Solve for x
    x = 11,437,930,686.75/96,212.09
  6. Step 6: Final answer
    x = 118,882.47

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1.5x scale

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.