Home / 126,814.16-190,010.04-82,385.36

Finding the Fourth Proportional to 126,814.16, 190,010.04 and 82,385.36

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Solution

The fourth proportional to 126,814.16, 190,010.04 and 82,385.36 is: 123,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,814.16 : 190,010.04 = 82,385.36 : x
  2. Step 2: Convert to fraction form
    126,814.16/190,010.04 = 82,385.36/x
  3. Step 3: Cross multiply
    126,814.16x = 190,010.04 × 82,385.36
  4. Step 4: Simplify right side
    126,814.16x = 15,654,045,549.01
  5. Step 5: Solve for x
    x = 15,654,045,549.01/126,814.16
  6. Step 6: Final answer
    x = 123,440.83

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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.