Home / 119,739.03-165,247.29-66,023.88

Finding the Fourth Proportional to 119,739.03, 165,247.29 and 66,023.88

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Solution

The fourth proportional to 119,739.03, 165,247.29 and 66,023.88 is: 91,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,739.03 : 165,247.29 = 66,023.88 : x
  2. Step 2: Convert to fraction form
    119,739.03/165,247.29 = 66,023.88/x
  3. Step 3: Cross multiply
    119,739.03x = 165,247.29 × 66,023.88
  4. Step 4: Simplify right side
    119,739.03x = 10,910,267,245.29
  5. Step 5: Solve for x
    x = 10,910,267,245.29/119,739.03
  6. Step 6: Final answer
    x = 91,117.05

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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.