Home / 132,975.73-183,481.39-79,265.73

Finding the Fourth Proportional to 132,975.73, 183,481.39 and 79,265.73

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Solution

The fourth proportional to 132,975.73, 183,481.39 and 79,265.73 is: 109,371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,975.73 : 183,481.39 = 79,265.73 : x
  2. Step 2: Convert to fraction form
    132,975.73/183,481.39 = 79,265.73/x
  3. Step 3: Cross multiply
    132,975.73x = 183,481.39 × 79,265.73
  4. Step 4: Simplify right side
    132,975.73x = 14,543,786,319.76
  5. Step 5: Solve for x
    x = 14,543,786,319.76/132,975.73
  6. Step 6: Final answer
    x = 109,371.74

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1.5x scale

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.