Home / 216,384.21-298,660.37-120,927.33

Finding the Fourth Proportional to 216,384.21, 298,660.37 and 120,927.33

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Solution

The fourth proportional to 216,384.21, 298,660.37 and 120,927.33 is: 166,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,384.21 : 298,660.37 = 120,927.33 : x
  2. Step 2: Convert to fraction form
    216,384.21/298,660.37 = 120,927.33/x
  3. Step 3: Cross multiply
    216,384.21x = 298,660.37 × 120,927.33
  4. Step 4: Simplify right side
    216,384.21x = 36,116,200,516.28
  5. Step 5: Solve for x
    x = 36,116,200,516.28/216,384.21
  6. Step 6: Final answer
    x = 166,907.74

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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.