Home / 119,930.11-165,485.84-68,945.00

Finding the Fourth Proportional to 119,930.11, 165,485.84 and 68,945.00

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Solution

The fourth proportional to 119,930.11, 165,485.84 and 68,945.00 is: 95,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,930.11 : 165,485.84 = 68,945.00 : x
  2. Step 2: Convert to fraction form
    119,930.11/165,485.84 = 68,945.00/x
  3. Step 3: Cross multiply
    119,930.11x = 165,485.84 × 68,945.00
  4. Step 4: Simplify right side
    119,930.11x = 11,409,420,066.65
  5. Step 5: Solve for x
    x = 11,409,420,066.65/119,930.11
  6. Step 6: Final answer
    x = 95,133.91

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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.