Home / 216,214.49-324,165.81-131,954.85

Finding the Fourth Proportional to 216,214.49, 324,165.81 and 131,954.85

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Solution

The fourth proportional to 216,214.49, 324,165.81 and 131,954.85 is: 197,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,214.49 : 324,165.81 = 131,954.85 : x
  2. Step 2: Convert to fraction form
    216,214.49/324,165.81 = 131,954.85/x
  3. Step 3: Cross multiply
    216,214.49x = 324,165.81 × 131,954.85
  4. Step 4: Simplify right side
    216,214.49x = 42,775,251,328.51
  5. Step 5: Solve for x
    x = 42,775,251,328.51/216,214.49
  6. Step 6: Final answer
    x = 197,837.11

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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.