Home / 108,777.38-163,166.07-38,659.46

Finding the Fourth Proportional to 108,777.38, 163,166.07 and 38,659.46

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Solution

The fourth proportional to 108,777.38, 163,166.07 and 38,659.46 is: 57,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,777.38 : 163,166.07 = 38,659.46 : x
  2. Step 2: Convert to fraction form
    108,777.38/163,166.07 = 38,659.46/x
  3. Step 3: Cross multiply
    108,777.38x = 163,166.07 × 38,659.46
  4. Step 4: Simplify right side
    108,777.38x = 6,307,911,340.69
  5. Step 5: Solve for x
    x = 6,307,911,340.69/108,777.38
  6. Step 6: Final answer
    x = 57,989.19

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Similar ratio
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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.