Home / 138,491.46-191,087.37-84,772.26

Finding the Fourth Proportional to 138,491.46, 191,087.37 and 84,772.26

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Solution

The fourth proportional to 138,491.46, 191,087.37 and 84,772.26 is: 116,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,491.46 : 191,087.37 = 84,772.26 : x
  2. Step 2: Convert to fraction form
    138,491.46/191,087.37 = 84,772.26/x
  3. Step 3: Cross multiply
    138,491.46x = 191,087.37 × 84,772.26
  4. Step 4: Simplify right side
    138,491.46x = 16,198,908,212.36
  5. Step 5: Solve for x
    x = 16,198,908,212.36/138,491.46
  6. Step 6: Final answer
    x = 116,966.84

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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.