Home / 230,372.42-345,587.84-90,112.82

Finding the Fourth Proportional to 230,372.42, 345,587.84 and 90,112.82

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Solution

The fourth proportional to 230,372.42, 345,587.84 and 90,112.82 is: 135,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,372.42 : 345,587.84 = 90,112.82 : x
  2. Step 2: Convert to fraction form
    230,372.42/345,587.84 = 90,112.82/x
  3. Step 3: Cross multiply
    230,372.42x = 345,587.84 × 90,112.82
  4. Step 4: Simplify right side
    230,372.42x = 31,141,893,317.45
  5. Step 5: Solve for x
    x = 31,141,893,317.45/230,372.42
  6. Step 6: Final answer
    x = 135,180.65

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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.