Home / 95,141.12-131,231.47-61,192.57

Finding the Fourth Proportional to 95,141.12, 131,231.47 and 61,192.57

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Solution

The fourth proportional to 95,141.12, 131,231.47 and 61,192.57 is: 84,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,141.12 : 131,231.47 = 61,192.57 : x
  2. Step 2: Convert to fraction form
    95,141.12/131,231.47 = 61,192.57/x
  3. Step 3: Cross multiply
    95,141.12x = 131,231.47 × 61,192.57
  4. Step 4: Simplify right side
    95,141.12x = 8,030,390,433.12
  5. Step 5: Solve for x
    x = 8,030,390,433.12/95,141.12
  6. Step 6: Final answer
    x = 84,405.04

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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.