Home / 258,167.58-356,270.07-143,464.89

Finding the Fourth Proportional to 258,167.58, 356,270.07 and 143,464.89

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Solution

The fourth proportional to 258,167.58, 356,270.07 and 143,464.89 is: 197,980.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,167.58 : 356,270.07 = 143,464.89 : x
  2. Step 2: Convert to fraction form
    258,167.58/356,270.07 = 143,464.89/x
  3. Step 3: Cross multiply
    258,167.58x = 356,270.07 × 143,464.89
  4. Step 4: Simplify right side
    258,167.58x = 51,112,246,402.84
  5. Step 5: Solve for x
    x = 51,112,246,402.84/258,167.58
  6. Step 6: Final answer
    x = 197,980.89

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1.5x scale

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.