Home / 88,172.97-132,215.40-28,193.64

Finding the Fourth Proportional to 88,172.97, 132,215.40 and 28,193.64

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Solution

The fourth proportional to 88,172.97, 132,215.40 and 28,193.64 is: 42,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,172.97 : 132,215.40 = 28,193.64 : x
  2. Step 2: Convert to fraction form
    88,172.97/132,215.40 = 28,193.64/x
  3. Step 3: Cross multiply
    88,172.97x = 132,215.40 × 28,193.64
  4. Step 4: Simplify right side
    88,172.97x = 3,727,633,390.06
  5. Step 5: Solve for x
    x = 3,727,633,390.06/88,172.97
  6. Step 6: Final answer
    x = 42,276.37

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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.