Home / 119,808.13-165,334.75-66,096.49

Finding the Fourth Proportional to 119,808.13, 165,334.75 and 66,096.49

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Solution

The fourth proportional to 119,808.13, 165,334.75 and 66,096.49 is: 91,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,808.13 : 165,334.75 = 66,096.49 : x
  2. Step 2: Convert to fraction form
    119,808.13/165,334.75 = 66,096.49/x
  3. Step 3: Cross multiply
    119,808.13x = 165,334.75 × 66,096.49
  4. Step 4: Simplify right side
    119,808.13x = 10,928,046,650.03
  5. Step 5: Solve for x
    x = 10,928,046,650.03/119,808.13
  6. Step 6: Final answer
    x = 91,212.90

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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.