Home / 165,619.90-248,308.35-65,730.70

Finding the Fourth Proportional to 165,619.90, 248,308.35 and 65,730.70

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Solution

The fourth proportional to 165,619.90, 248,308.35 and 65,730.70 is: 98,547.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,619.90 : 248,308.35 = 65,730.70 : x
  2. Step 2: Convert to fraction form
    165,619.90/248,308.35 = 65,730.70/x
  3. Step 3: Cross multiply
    165,619.90x = 248,308.35 × 65,730.70
  4. Step 4: Simplify right side
    165,619.90x = 16,321,481,661.35
  5. Step 5: Solve for x
    x = 16,321,481,661.35/165,619.90
  6. Step 6: Final answer
    x = 98,547.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.