Home / 165,824.01-248,558.65-85,781.41

Finding the Fourth Proportional to 165,824.01, 248,558.65 and 85,781.41

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Solution

The fourth proportional to 165,824.01, 248,558.65 and 85,781.41 is: 128,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,824.01 : 248,558.65 = 85,781.41 : x
  2. Step 2: Convert to fraction form
    165,824.01/248,558.65 = 85,781.41/x
  3. Step 3: Cross multiply
    165,824.01x = 248,558.65 × 85,781.41
  4. Step 4: Simplify right side
    165,824.01x = 21,321,710,628.85
  5. Step 5: Solve for x
    x = 21,321,710,628.85/165,824.01
  6. Step 6: Final answer
    x = 128,580.36

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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.