Home / 97,086.40-145,650.39-54,986.38

Finding the Fourth Proportional to 97,086.40, 145,650.39 and 54,986.38

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Solution

The fourth proportional to 97,086.40, 145,650.39 and 54,986.38 is: 82,491.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,086.40 : 145,650.39 = 54,986.38 : x
  2. Step 2: Convert to fraction form
    97,086.40/145,650.39 = 54,986.38/x
  3. Step 3: Cross multiply
    97,086.40x = 145,650.39 × 54,986.38
  4. Step 4: Simplify right side
    97,086.40x = 8,008,787,691.69
  5. Step 5: Solve for x
    x = 8,008,787,691.69/97,086.40
  6. Step 6: Final answer
    x = 82,491.34

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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.