Home / 119,744.06-165,245.81-66,031.34

Finding the Fourth Proportional to 119,744.06, 165,245.81 and 66,031.34

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Solution

The fourth proportional to 119,744.06, 165,245.81 and 66,031.34 is: 91,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,744.06 : 165,245.81 = 66,031.34 : x
  2. Step 2: Convert to fraction form
    119,744.06/165,245.81 = 66,031.34/x
  3. Step 3: Cross multiply
    119,744.06x = 165,245.81 × 66,031.34
  4. Step 4: Simplify right side
    119,744.06x = 10,911,401,107.30
  5. Step 5: Solve for x
    x = 10,911,401,107.30/119,744.06
  6. Step 6: Final answer
    x = 91,122.70

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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.