Home / 258,303.96-387,494.82-92,079

Finding the Fourth Proportional to 258,303.96, 387,494.82 and 92,079

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Solution

The fourth proportional to 258,303.96, 387,494.82 and 92,079 is: 138,132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,303.96 : 387,494.82 = 92,079 : x
  2. Step 2: Convert to fraction form
    258,303.96/387,494.82 = 92,079/x
  3. Step 3: Cross multiply
    258,303.96x = 387,494.82 × 92,079
  4. Step 4: Simplify right side
    258,303.96x = 35,680,135,530.78
  5. Step 5: Solve for x
    x = 35,680,135,530.78/258,303.96
  6. Step 6: Final answer
    x = 138,132.36

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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.