Home / 171,338.02-256,837.48-81,222.44

Finding the Fourth Proportional to 171,338.02, 256,837.48 and 81,222.44

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Solution

The fourth proportional to 171,338.02, 256,837.48 and 81,222.44 is: 121,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,338.02 : 256,837.48 = 81,222.44 : x
  2. Step 2: Convert to fraction form
    171,338.02/256,837.48 = 81,222.44/x
  3. Step 3: Cross multiply
    171,338.02x = 256,837.48 × 81,222.44
  4. Step 4: Simplify right side
    171,338.02x = 20,860,966,809.05
  5. Step 5: Solve for x
    x = 20,860,966,809.05/171,338.02
  6. Step 6: Final answer
    x = 121,753.29

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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.