Home / 258,430.14-387,411.66-92,179.26

Finding the Fourth Proportional to 258,430.14, 387,411.66 and 92,179.26

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Solution

The fourth proportional to 258,430.14, 387,411.66 and 92,179.26 is: 138,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,430.14 : 387,411.66 = 92,179.26 : x
  2. Step 2: Convert to fraction form
    258,430.14/387,411.66 = 92,179.26/x
  3. Step 3: Cross multiply
    258,430.14x = 387,411.66 × 92,179.26
  4. Step 4: Simplify right side
    258,430.14x = 35,711,320,134.17
  5. Step 5: Solve for x
    x = 35,711,320,134.17/258,430.14
  6. Step 6: Final answer
    x = 138,185.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.