Home / 231,776.80-347,665.18-126,538.36

Finding the Fourth Proportional to 231,776.80, 347,665.18 and 126,538.36

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Solution

The fourth proportional to 231,776.80, 347,665.18 and 126,538.36 is: 189,807.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,776.80 : 347,665.18 = 126,538.36 : x
  2. Step 2: Convert to fraction form
    231,776.80/347,665.18 = 126,538.36/x
  3. Step 3: Cross multiply
    231,776.80x = 347,665.18 × 126,538.36
  4. Step 4: Simplify right side
    231,776.80x = 43,992,981,706.30
  5. Step 5: Solve for x
    x = 43,992,981,706.30/231,776.80
  6. Step 6: Final answer
    x = 189,807.53

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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.