Home / 289,112.38-433,434.83-120,761.67

Finding the Fourth Proportional to 289,112.38, 433,434.83 and 120,761.67

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Solution

The fourth proportional to 289,112.38, 433,434.83 and 120,761.67 is: 181,044.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,112.38 : 433,434.83 = 120,761.67 : x
  2. Step 2: Convert to fraction form
    289,112.38/433,434.83 = 120,761.67/x
  3. Step 3: Cross multiply
    289,112.38x = 433,434.83 × 120,761.67
  4. Step 4: Simplify right side
    289,112.38x = 52,342,313,906.97
  5. Step 5: Solve for x
    x = 52,342,313,906.97/289,112.38
  6. Step 6: Final answer
    x = 181,044.87

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1.5x scale

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.