Home / 119,856.11-165,401.26-66,141.11

Finding the Fourth Proportional to 119,856.11, 165,401.26 and 66,141.11

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Solution

The fourth proportional to 119,856.11, 165,401.26 and 66,141.11 is: 91,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,856.11 : 165,401.26 = 66,141.11 : x
  2. Step 2: Convert to fraction form
    119,856.11/165,401.26 = 66,141.11/x
  3. Step 3: Cross multiply
    119,856.11x = 165,401.26 × 66,141.11
  4. Step 4: Simplify right side
    119,856.11x = 10,939,823,179.95
  5. Step 5: Solve for x
    x = 10,939,823,179.95/119,856.11
  6. Step 6: Final answer
    x = 91,274.64

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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.