Home / 132,456.32-182,815.68-75,905.60

Finding the Fourth Proportional to 132,456.32, 182,815.68 and 75,905.60

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Solution

The fourth proportional to 132,456.32, 182,815.68 and 75,905.60 is: 104,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,456.32 : 182,815.68 = 75,905.60 : x
  2. Step 2: Convert to fraction form
    132,456.32/182,815.68 = 75,905.60/x
  3. Step 3: Cross multiply
    132,456.32x = 182,815.68 × 75,905.60
  4. Step 4: Simplify right side
    132,456.32x = 13,876,733,879.81
  5. Step 5: Solve for x
    x = 13,876,733,879.81/132,456.32
  6. Step 6: Final answer
    x = 104,764.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.