Home / 258,849.57-357,221.85-144,134.13

Finding the Fourth Proportional to 258,849.57, 357,221.85 and 144,134.13

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Solution

The fourth proportional to 258,849.57, 357,221.85 and 144,134.13 is: 198,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,849.57 : 357,221.85 = 144,134.13 : x
  2. Step 2: Convert to fraction form
    258,849.57/357,221.85 = 144,134.13/x
  3. Step 3: Cross multiply
    258,849.57x = 357,221.85 × 144,134.13
  4. Step 4: Simplify right side
    258,849.57x = 51,487,860,566.74
  5. Step 5: Solve for x
    x = 51,487,860,566.74/258,849.57
  6. Step 6: Final answer
    x = 198,910.36

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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.