Home / 165,744.90-248,617.35-102,759.30

Finding the Fourth Proportional to 165,744.90, 248,617.35 and 102,759.30

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Solution

The fourth proportional to 165,744.90, 248,617.35 and 102,759.30 is: 154,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,744.90 : 248,617.35 = 102,759.30 : x
  2. Step 2: Convert to fraction form
    165,744.90/248,617.35 = 102,759.30/x
  3. Step 3: Cross multiply
    165,744.90x = 248,617.35 × 102,759.30
  4. Step 4: Simplify right side
    165,744.90x = 25,547,744,853.86
  5. Step 5: Solve for x
    x = 25,547,744,853.86/165,744.90
  6. Step 6: Final answer
    x = 154,138.95

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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.