Home / 88,640.44-132,848.34-87,703

Finding the Fourth Proportional to 88,640.44, 132,848.34 and 87,703

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Solution

The fourth proportional to 88,640.44, 132,848.34 and 87,703 is: 131,443.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,640.44 : 132,848.34 = 87,703 : x
  2. Step 2: Convert to fraction form
    88,640.44/132,848.34 = 87,703/x
  3. Step 3: Cross multiply
    88,640.44x = 132,848.34 × 87,703
  4. Step 4: Simplify right side
    88,640.44x = 11,651,197,963.02
  5. Step 5: Solve for x
    x = 11,651,197,963.02/88,640.44
  6. Step 6: Final answer
    x = 131,443.37

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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.