Home / 67,097.28-100,645.53-17,177.39

Finding the Fourth Proportional to 67,097.28, 100,645.53 and 17,177.39

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Solution

The fourth proportional to 67,097.28, 100,645.53 and 17,177.39 is: 25,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,097.28 : 100,645.53 = 17,177.39 : x
  2. Step 2: Convert to fraction form
    67,097.28/100,645.53 = 17,177.39/x
  3. Step 3: Cross multiply
    67,097.28x = 100,645.53 × 17,177.39
  4. Step 4: Simplify right side
    67,097.28x = 1,728,827,017.34
  5. Step 5: Solve for x
    x = 1,728,827,017.34/67,097.28
  6. Step 6: Final answer
    x = 25,765.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.