Home / 88,640.10-132,814.35-76,101.30

Finding the Fourth Proportional to 88,640.10, 132,814.35 and 76,101.30

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Solution

The fourth proportional to 88,640.10, 132,814.35 and 76,101.30 is: 114,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,640.10 : 132,814.35 = 76,101.30 : x
  2. Step 2: Convert to fraction form
    88,640.10/132,814.35 = 76,101.30/x
  3. Step 3: Cross multiply
    88,640.10x = 132,814.35 × 76,101.30
  4. Step 4: Simplify right side
    88,640.10x = 10,107,344,693.66
  5. Step 5: Solve for x
    x = 10,107,344,693.66/88,640.10
  6. Step 6: Final answer
    x = 114,026.77

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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.