Home / 250,673.41-345,929.87-143,243.18

Finding the Fourth Proportional to 250,673.41, 345,929.87 and 143,243.18

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Solution

The fourth proportional to 250,673.41, 345,929.87 and 143,243.18 is: 197,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,673.41 : 345,929.87 = 143,243.18 : x
  2. Step 2: Convert to fraction form
    250,673.41/345,929.87 = 143,243.18/x
  3. Step 3: Cross multiply
    250,673.41x = 345,929.87 × 143,243.18
  4. Step 4: Simplify right side
    250,673.41x = 49,552,095,858.72
  5. Step 5: Solve for x
    x = 49,552,095,858.72/250,673.41
  6. Step 6: Final answer
    x = 197,675.92

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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.