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Finding the Fourth Proportional to 172,948.48, 238,665.72 and 97,497.04

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Solution

The fourth proportional to 172,948.48, 238,665.72 and 97,497.04 is: 134,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,948.48 : 238,665.72 = 97,497.04 : x
  2. Step 2: Convert to fraction form
    172,948.48/238,665.72 = 97,497.04/x
  3. Step 3: Cross multiply
    172,948.48x = 238,665.72 × 97,497.04
  4. Step 4: Simplify right side
    172,948.48x = 23,269,201,249.47
  5. Step 5: Solve for x
    x = 23,269,201,249.47/172,948.48
  6. Step 6: Final answer
    x = 134,544.12

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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.