Home / 250,001.28-345,010.56-136,824

Finding the Fourth Proportional to 250,001.28, 345,010.56 and 136,824

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Solution

The fourth proportional to 250,001.28, 345,010.56 and 136,824 is: 188,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,001.28 : 345,010.56 = 136,824 : x
  2. Step 2: Convert to fraction form
    250,001.28/345,010.56 = 136,824/x
  3. Step 3: Cross multiply
    250,001.28x = 345,010.56 × 136,824
  4. Step 4: Simplify right side
    250,001.28x = 47,205,724,861.44
  5. Step 5: Solve for x
    x = 47,205,724,861.44/250,001.28
  6. Step 6: Final answer
    x = 188,821.93

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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.