Home / 119,660.28-165,132.18-65,945.43

Finding the Fourth Proportional to 119,660.28, 165,132.18 and 65,945.43

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Solution

The fourth proportional to 119,660.28, 165,132.18 and 65,945.43 is: 91,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,660.28 : 165,132.18 = 65,945.43 : x
  2. Step 2: Convert to fraction form
    119,660.28/165,132.18 = 65,945.43/x
  3. Step 3: Cross multiply
    119,660.28x = 165,132.18 × 65,945.43
  4. Step 4: Simplify right side
    119,660.28x = 10,889,712,616.94
  5. Step 5: Solve for x
    x = 10,889,712,616.94/119,660.28
  6. Step 6: Final answer
    x = 91,005.24

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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.