Home / 88,122.56-132,155.84-28,944.45

Finding the Fourth Proportional to 88,122.56, 132,155.84 and 28,944.45

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Solution

The fourth proportional to 88,122.56, 132,155.84 and 28,944.45 is: 43,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,122.56 : 132,155.84 = 28,944.45 : x
  2. Step 2: Convert to fraction form
    88,122.56/132,155.84 = 28,944.45/x
  3. Step 3: Cross multiply
    88,122.56x = 132,155.84 × 28,944.45
  4. Step 4: Simplify right side
    88,122.56x = 3,825,178,175.45
  5. Step 5: Solve for x
    x = 3,825,178,175.45/88,122.56
  6. Step 6: Final answer
    x = 43,407.48

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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.