Home / 166,790.45-229,942.02-105,506.15

Finding the Fourth Proportional to 166,790.45, 229,942.02 and 105,506.15

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Solution

The fourth proportional to 166,790.45, 229,942.02 and 105,506.15 is: 145,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,790.45 : 229,942.02 = 105,506.15 : x
  2. Step 2: Convert to fraction form
    166,790.45/229,942.02 = 105,506.15/x
  3. Step 3: Cross multiply
    166,790.45x = 229,942.02 × 105,506.15
  4. Step 4: Simplify right side
    166,790.45x = 24,260,297,253.42
  5. Step 5: Solve for x
    x = 24,260,297,253.42/166,790.45
  6. Step 6: Final answer
    x = 145,453.76

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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.