Home / 216,385.31-298,606.23-120,892.73

Finding the Fourth Proportional to 216,385.31, 298,606.23 and 120,892.73

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Solution

The fourth proportional to 216,385.31, 298,606.23 and 120,892.73 is: 166,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,385.31 : 298,606.23 = 120,892.73 : x
  2. Step 2: Convert to fraction form
    216,385.31/298,606.23 = 120,892.73/x
  3. Step 3: Cross multiply
    216,385.31x = 298,606.23 × 120,892.73
  4. Step 4: Simplify right side
    216,385.31x = 36,099,322,339.71
  5. Step 5: Solve for x
    x = 36,099,322,339.71/216,385.31
  6. Step 6: Final answer
    x = 166,828.90

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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.