Home / 258,744.12-357,066.83-144,020.29

Finding the Fourth Proportional to 258,744.12, 357,066.83 and 144,020.29

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Solution

The fourth proportional to 258,744.12, 357,066.83 and 144,020.29 is: 198,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,744.12 : 357,066.83 = 144,020.29 : x
  2. Step 2: Convert to fraction form
    258,744.12/357,066.83 = 144,020.29/x
  3. Step 3: Cross multiply
    258,744.12x = 357,066.83 × 144,020.29
  4. Step 4: Simplify right side
    258,744.12x = 51,424,868,405.98
  5. Step 5: Solve for x
    x = 51,424,868,405.98/258,744.12
  6. Step 6: Final answer
    x = 198,747.97

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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.