Home / 172,587.68-238,115.38-97,121.60

Finding the Fourth Proportional to 172,587.68, 238,115.38 and 97,121.60

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Solution

The fourth proportional to 172,587.68, 238,115.38 and 97,121.60 is: 133,996.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,587.68 : 238,115.38 = 97,121.60 : x
  2. Step 2: Convert to fraction form
    172,587.68/238,115.38 = 97,121.60/x
  3. Step 3: Cross multiply
    172,587.68x = 238,115.38 × 97,121.60
  4. Step 4: Simplify right side
    172,587.68x = 23,126,146,690.21
  5. Step 5: Solve for x
    x = 23,126,146,690.21/172,587.68
  6. Step 6: Final answer
    x = 133,996.51

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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.