Home / 172,579.68-238,104.36-97,113.60

Finding the Fourth Proportional to 172,579.68, 238,104.36 and 97,113.60

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Solution

The fourth proportional to 172,579.68, 238,104.36 and 97,113.60 is: 133,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,579.68 : 238,104.36 = 97,113.60 : x
  2. Step 2: Convert to fraction form
    172,579.68/238,104.36 = 97,113.60/x
  3. Step 3: Cross multiply
    172,579.68x = 238,104.36 × 97,113.60
  4. Step 4: Simplify right side
    172,579.68x = 23,123,171,575.30
  5. Step 5: Solve for x
    x = 23,123,171,575.30/172,579.68
  6. Step 6: Final answer
    x = 133,985.48

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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.