Home / 108,805.28-163,109.43-38,668.19

Finding the Fourth Proportional to 108,805.28, 163,109.43 and 38,668.19

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Solution

The fourth proportional to 108,805.28, 163,109.43 and 38,668.19 is: 57,967.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,805.28 : 163,109.43 = 38,668.19 : x
  2. Step 2: Convert to fraction form
    108,805.28/163,109.43 = 38,668.19/x
  3. Step 3: Cross multiply
    108,805.28x = 163,109.43 × 38,668.19
  4. Step 4: Simplify right side
    108,805.28x = 6,307,145,614.48
  5. Step 5: Solve for x
    x = 6,307,145,614.48/108,805.28
  6. Step 6: Final answer
    x = 57,967.28

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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.