Home / 132,018.11-197,948.06-42,021.94

Finding the Fourth Proportional to 132,018.11, 197,948.06 and 42,021.94

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Solution

The fourth proportional to 132,018.11, 197,948.06 and 42,021.94 is: 63,007.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,018.11 : 197,948.06 = 42,021.94 : x
  2. Step 2: Convert to fraction form
    132,018.11/197,948.06 = 42,021.94/x
  3. Step 3: Cross multiply
    132,018.11x = 197,948.06 × 42,021.94
  4. Step 4: Simplify right side
    132,018.11x = 8,318,161,500.44
  5. Step 5: Solve for x
    x = 8,318,161,500.44/132,018.11
  6. Step 6: Final answer
    x = 63,007.73

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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.