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Finding the Fourth Proportional to 172,900.62, 238,609.53 and 97,447.50

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Solution

The fourth proportional to 172,900.62, 238,609.53 and 97,447.50 is: 134,481.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,900.62 : 238,609.53 = 97,447.50 : x
  2. Step 2: Convert to fraction form
    172,900.62/238,609.53 = 97,447.50/x
  3. Step 3: Cross multiply
    172,900.62x = 238,609.53 × 97,447.50
  4. Step 4: Simplify right side
    172,900.62x = 23,251,902,174.68
  5. Step 5: Solve for x
    x = 23,251,902,174.68/172,900.62
  6. Step 6: Final answer
    x = 134,481.31

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1.5x scale

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.