Home / 119,928.30-165,497.76-66,212.34

Finding the Fourth Proportional to 119,928.30, 165,497.76 and 66,212.34

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Solution

The fourth proportional to 119,928.30, 165,497.76 and 66,212.34 is: 91,371.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,928.30 : 165,497.76 = 66,212.34 : x
  2. Step 2: Convert to fraction form
    119,928.30/165,497.76 = 66,212.34/x
  3. Step 3: Cross multiply
    119,928.30x = 165,497.76 × 66,212.34
  4. Step 4: Simplify right side
    119,928.30x = 10,957,993,954.36
  5. Step 5: Solve for x
    x = 10,957,993,954.36/119,928.30
  6. Step 6: Final answer
    x = 91,371.21

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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.