Home / 165,821.60-248,733.57-70,971.86

Finding the Fourth Proportional to 165,821.60, 248,733.57 and 70,971.86

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Solution

The fourth proportional to 165,821.60, 248,733.57 and 70,971.86 is: 106,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,821.60 : 248,733.57 = 70,971.86 : x
  2. Step 2: Convert to fraction form
    165,821.60/248,733.57 = 70,971.86/x
  3. Step 3: Cross multiply
    165,821.60x = 248,733.57 × 70,971.86
  4. Step 4: Simplify right side
    165,821.60x = 17,653,084,107.34
  5. Step 5: Solve for x
    x = 17,653,084,107.34/165,821.60
  6. Step 6: Final answer
    x = 106,458.29

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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.