Home / 132,364.38-182,738.25-87,173.70

Finding the Fourth Proportional to 132,364.38, 182,738.25 and 87,173.70

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Solution

The fourth proportional to 132,364.38, 182,738.25 and 87,173.70 is: 120,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,364.38 : 182,738.25 = 87,173.70 : x
  2. Step 2: Convert to fraction form
    132,364.38/182,738.25 = 87,173.70/x
  3. Step 3: Cross multiply
    132,364.38x = 182,738.25 × 87,173.70
  4. Step 4: Simplify right side
    132,364.38x = 15,929,969,384.03
  5. Step 5: Solve for x
    x = 15,929,969,384.03/132,364.38
  6. Step 6: Final answer
    x = 120,349.37

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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.