Home / 171,431.07-257,243.82-92,543.55

Finding the Fourth Proportional to 171,431.07, 257,243.82 and 92,543.55

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Solution

The fourth proportional to 171,431.07, 257,243.82 and 92,543.55 is: 138,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,431.07 : 257,243.82 = 92,543.55 : x
  2. Step 2: Convert to fraction form
    171,431.07/257,243.82 = 92,543.55/x
  3. Step 3: Cross multiply
    171,431.07x = 257,243.82 × 92,543.55
  4. Step 4: Simplify right side
    171,431.07x = 23,806,256,318.36
  5. Step 5: Solve for x
    x = 23,806,256,318.36/171,431.07
  6. Step 6: Final answer
    x = 138,867.80

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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.