Home / 165,546.15-248,448.83-76,810.65

Finding the Fourth Proportional to 165,546.15, 248,448.83 and 76,810.65

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Solution

The fourth proportional to 165,546.15, 248,448.83 and 76,810.65 is: 115,276.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,546.15 : 248,448.83 = 76,810.65 : x
  2. Step 2: Convert to fraction form
    165,546.15/248,448.83 = 76,810.65/x
  3. Step 3: Cross multiply
    165,546.15x = 248,448.83 × 76,810.65
  4. Step 4: Simplify right side
    165,546.15x = 19,083,515,739.99
  5. Step 5: Solve for x
    x = 19,083,515,739.99/165,546.15
  6. Step 6: Final answer
    x = 115,276.11

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1.5x scale

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.