Home / 88,255.44-132,386.31-28,276.16

Finding the Fourth Proportional to 88,255.44, 132,386.31 and 28,276.16

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Solution

The fourth proportional to 88,255.44, 132,386.31 and 28,276.16 is: 42,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,255.44 : 132,386.31 = 28,276.16 : x
  2. Step 2: Convert to fraction form
    88,255.44/132,386.31 = 28,276.16/x
  3. Step 3: Cross multiply
    88,255.44x = 132,386.31 × 28,276.16
  4. Step 4: Simplify right side
    88,255.44x = 3,743,375,821.44
  5. Step 5: Solve for x
    x = 3,743,375,821.44/88,255.44
  6. Step 6: Final answer
    x = 42,415.24

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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.