Home / 165,674.45-248,585.58-86,770.32

Finding the Fourth Proportional to 165,674.45, 248,585.58 and 86,770.32

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Solution

The fourth proportional to 165,674.45, 248,585.58 and 86,770.32 is: 130,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,674.45 : 248,585.58 = 86,770.32 : x
  2. Step 2: Convert to fraction form
    165,674.45/248,585.58 = 86,770.32/x
  3. Step 3: Cross multiply
    165,674.45x = 248,585.58 × 86,770.32
  4. Step 4: Simplify right side
    165,674.45x = 21,569,850,323.99
  5. Step 5: Solve for x
    x = 21,569,850,323.99/165,674.45
  6. Step 6: Final answer
    x = 130,194.19

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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.