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Finding the Fourth Proportional to 172,757.36, 238,395.96 and 97,301

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Solution

The fourth proportional to 172,757.36, 238,395.96 and 97,301 is: 134,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,757.36 : 238,395.96 = 97,301 : x
  2. Step 2: Convert to fraction form
    172,757.36/238,395.96 = 97,301/x
  3. Step 3: Cross multiply
    172,757.36x = 238,395.96 × 97,301
  4. Step 4: Simplify right side
    172,757.36x = 23,196,165,303.96
  5. Step 5: Solve for x
    x = 23,196,165,303.96/172,757.36
  6. Step 6: Final answer
    x = 134,270.20

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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.