Home / 197,597.88-272,610.64-129,652.36

Finding the Fourth Proportional to 197,597.88, 272,610.64 and 129,652.36

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Solution

The fourth proportional to 197,597.88, 272,610.64 and 129,652.36 is: 178,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,597.88 : 272,610.64 = 129,652.36 : x
  2. Step 2: Convert to fraction form
    197,597.88/272,610.64 = 129,652.36/x
  3. Step 3: Cross multiply
    197,597.88x = 272,610.64 × 129,652.36
  4. Step 4: Simplify right side
    197,597.88x = 35,344,612,837.11
  5. Step 5: Solve for x
    x = 35,344,612,837.11/197,597.88
  6. Step 6: Final answer
    x = 178,871.42

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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.