Home / 132,738.76-183,059.22-87,949

Finding the Fourth Proportional to 132,738.76, 183,059.22 and 87,949

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Solution

The fourth proportional to 132,738.76, 183,059.22 and 87,949 is: 121,289.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,738.76 : 183,059.22 = 87,949 : x
  2. Step 2: Convert to fraction form
    132,738.76/183,059.22 = 87,949/x
  3. Step 3: Cross multiply
    132,738.76x = 183,059.22 × 87,949
  4. Step 4: Simplify right side
    132,738.76x = 16,099,875,339.78
  5. Step 5: Solve for x
    x = 16,099,875,339.78/132,738.76
  6. Step 6: Final answer
    x = 121,289.93

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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.