Home / 119,581.52-165,016.44-65,865.35

Finding the Fourth Proportional to 119,581.52, 165,016.44 and 65,865.35

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Solution

The fourth proportional to 119,581.52, 165,016.44 and 65,865.35 is: 90,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,581.52 : 165,016.44 = 65,865.35 : x
  2. Step 2: Convert to fraction form
    119,581.52/165,016.44 = 65,865.35/x
  3. Step 3: Cross multiply
    119,581.52x = 165,016.44 × 65,865.35
  4. Step 4: Simplify right side
    119,581.52x = 10,868,865,988.90
  5. Step 5: Solve for x
    x = 10,868,865,988.90/119,581.52
  6. Step 6: Final answer
    x = 90,890.85

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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.