Home / 108,953.33-163,439.40-30,067.55

Finding the Fourth Proportional to 108,953.33, 163,439.40 and 30,067.55

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Solution

The fourth proportional to 108,953.33, 163,439.40 and 30,067.55 is: 45,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,953.33 : 163,439.40 = 30,067.55 : x
  2. Step 2: Convert to fraction form
    108,953.33/163,439.40 = 30,067.55/x
  3. Step 3: Cross multiply
    108,953.33x = 163,439.40 × 30,067.55
  4. Step 4: Simplify right side
    108,953.33x = 4,914,222,331.47
  5. Step 5: Solve for x
    x = 4,914,222,331.47/108,953.33
  6. Step 6: Final answer
    x = 45,103.92

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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.