Home / 216,453.18-298,719.33-120,960.42

Finding the Fourth Proportional to 216,453.18, 298,719.33 and 120,960.42

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Solution

The fourth proportional to 216,453.18, 298,719.33 and 120,960.42 is: 166,933.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,453.18 : 298,719.33 = 120,960.42 : x
  2. Step 2: Convert to fraction form
    216,453.18/298,719.33 = 120,960.42/x
  3. Step 3: Cross multiply
    216,453.18x = 298,719.33 × 120,960.42
  4. Step 4: Simplify right side
    216,453.18x = 36,133,215,618.92
  5. Step 5: Solve for x
    x = 36,133,215,618.92/216,453.18
  6. Step 6: Final answer
    x = 166,933.17

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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.