Home / 172,287.58-257,878.44-92,125.33

Finding the Fourth Proportional to 172,287.58, 257,878.44 and 92,125.33

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Solution

The fourth proportional to 172,287.58, 257,878.44 and 92,125.33 is: 137,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,287.58 : 257,878.44 = 92,125.33 : x
  2. Step 2: Convert to fraction form
    172,287.58/257,878.44 = 92,125.33/x
  3. Step 3: Cross multiply
    172,287.58x = 257,878.44 × 92,125.33
  4. Step 4: Simplify right side
    172,287.58x = 23,757,136,384.89
  5. Step 5: Solve for x
    x = 23,757,136,384.89/172,287.58
  6. Step 6: Final answer
    x = 137,892.33

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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.