Home / 230,382.48-345,236.76-102,143.28

Finding the Fourth Proportional to 230,382.48, 345,236.76 and 102,143.28

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Solution

The fourth proportional to 230,382.48, 345,236.76 and 102,143.28 is: 153,065.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,382.48 : 345,236.76 = 102,143.28 : x
  2. Step 2: Convert to fraction form
    230,382.48/345,236.76 = 102,143.28/x
  3. Step 3: Cross multiply
    230,382.48x = 345,236.76 × 102,143.28
  4. Step 4: Simplify right side
    230,382.48x = 35,263,615,042.97
  5. Step 5: Solve for x
    x = 35,263,615,042.97/230,382.48
  6. Step 6: Final answer
    x = 153,065.52

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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.