Home / 172,771.68-238,422.78-97,320.36

Finding the Fourth Proportional to 172,771.68, 238,422.78 and 97,320.36

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Solution

The fourth proportional to 172,771.68, 238,422.78 and 97,320.36 is: 134,300.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,771.68 : 238,422.78 = 97,320.36 : x
  2. Step 2: Convert to fraction form
    172,771.68/238,422.78 = 97,320.36/x
  3. Step 3: Cross multiply
    172,771.68x = 238,422.78 × 97,320.36
  4. Step 4: Simplify right side
    172,771.68x = 23,203,390,781.80
  5. Step 5: Solve for x
    x = 23,203,390,781.80/172,771.68
  6. Step 6: Final answer
    x = 134,300.89

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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.