Home / 108,739.26-163,077.30-38,638.62

Finding the Fourth Proportional to 108,739.26, 163,077.30 and 38,638.62

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Solution

The fourth proportional to 108,739.26, 163,077.30 and 38,638.62 is: 57,946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,739.26 : 163,077.30 = 38,638.62 : x
  2. Step 2: Convert to fraction form
    108,739.26/163,077.30 = 38,638.62/x
  3. Step 3: Cross multiply
    108,739.26x = 163,077.30 × 38,638.62
  4. Step 4: Simplify right side
    108,739.26x = 6,301,081,825.33
  5. Step 5: Solve for x
    x = 6,301,081,825.33/108,739.26
  6. Step 6: Final answer
    x = 57,946.71

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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.