Home / 119,739.15-165,231.57-66,023.03

Finding the Fourth Proportional to 119,739.15, 165,231.57 and 66,023.03

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Solution

The fourth proportional to 119,739.15, 165,231.57 and 66,023.03 is: 91,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,739.15 : 165,231.57 = 66,023.03 : x
  2. Step 2: Convert to fraction form
    119,739.15/165,231.57 = 66,023.03/x
  3. Step 3: Cross multiply
    119,739.15x = 165,231.57 × 66,023.03
  4. Step 4: Simplify right side
    119,739.15x = 10,909,088,076.90
  5. Step 5: Solve for x
    x = 10,909,088,076.90/119,739.15
  6. Step 6: Final answer
    x = 91,107.11

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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.