Home / 114,932.70-172,399.05-106,638.30

Finding the Fourth Proportional to 114,932.70, 172,399.05 and 106,638.30

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Solution

The fourth proportional to 114,932.70, 172,399.05 and 106,638.30 is: 159,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,932.70 : 172,399.05 = 106,638.30 : x
  2. Step 2: Convert to fraction form
    114,932.70/172,399.05 = 106,638.30/x
  3. Step 3: Cross multiply
    114,932.70x = 172,399.05 × 106,638.30
  4. Step 4: Simplify right side
    114,932.70x = 18,384,341,613.62
  5. Step 5: Solve for x
    x = 18,384,341,613.62/114,932.70
  6. Step 6: Final answer
    x = 159,957.45

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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.