Home / 216,434.28-298,678.39-120,940.97

Finding the Fourth Proportional to 216,434.28, 298,678.39 and 120,940.97

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Solution

The fourth proportional to 216,434.28, 298,678.39 and 120,940.97 is: 166,898.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,434.28 : 298,678.39 = 120,940.97 : x
  2. Step 2: Convert to fraction form
    216,434.28/298,678.39 = 120,940.97/x
  3. Step 3: Cross multiply
    216,434.28x = 298,678.39 × 120,940.97
  4. Step 4: Simplify right side
    216,434.28x = 36,122,454,204.64
  5. Step 5: Solve for x
    x = 36,122,454,204.64/216,434.28
  6. Step 6: Final answer
    x = 166,898.03

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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.