Home / 258,167.54-356,270.06-143,464.86

Finding the Fourth Proportional to 258,167.54, 356,270.06 and 143,464.86

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Solution

The fourth proportional to 258,167.54, 356,270.06 and 143,464.86 is: 197,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,167.54 : 356,270.06 = 143,464.86 : x
  2. Step 2: Convert to fraction form
    258,167.54/356,270.06 = 143,464.86/x
  3. Step 3: Cross multiply
    258,167.54x = 356,270.06 × 143,464.86
  4. Step 4: Simplify right side
    258,167.54x = 51,112,234,280.09
  5. Step 5: Solve for x
    x = 51,112,234,280.09/258,167.54
  6. Step 6: Final answer
    x = 197,980.87

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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.