Home / 171,995.20-257,915.04-61,190.08

Finding the Fourth Proportional to 171,995.20, 257,915.04 and 61,190.08

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Solution

The fourth proportional to 171,995.20, 257,915.04 and 61,190.08 is: 91,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,995.20 : 257,915.04 = 61,190.08 : x
  2. Step 2: Convert to fraction form
    171,995.20/257,915.04 = 61,190.08/x
  3. Step 3: Cross multiply
    171,995.20x = 257,915.04 × 61,190.08
  4. Step 4: Simplify right side
    171,995.20x = 15,781,841,930.80
  5. Step 5: Solve for x
    x = 15,781,841,930.80/171,995.20
  6. Step 6: Final answer
    x = 91,757.46

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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.