Home / 119,892.12-165,450.20-66,177.10

Finding the Fourth Proportional to 119,892.12, 165,450.20 and 66,177.10

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Solution

The fourth proportional to 119,892.12, 165,450.20 and 66,177.10 is: 91,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,892.12 : 165,450.20 = 66,177.10 : x
  2. Step 2: Convert to fraction form
    119,892.12/165,450.20 = 66,177.10/x
  3. Step 3: Cross multiply
    119,892.12x = 165,450.20 × 66,177.10
  4. Step 4: Simplify right side
    119,892.12x = 10,949,014,306.35
  5. Step 5: Solve for x
    x = 10,949,014,306.35/119,892.12
  6. Step 6: Final answer
    x = 91,323.89

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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.