Home / 102,935.86-154,314.92-39,800.21

Finding the Fourth Proportional to 102,935.86, 154,314.92 and 39,800.21

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Solution

The fourth proportional to 102,935.86, 154,314.92 and 39,800.21 is: 59,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,935.86 : 154,314.92 = 39,800.21 : x
  2. Step 2: Convert to fraction form
    102,935.86/154,314.92 = 39,800.21/x
  3. Step 3: Cross multiply
    102,935.86x = 154,314.92 × 39,800.21
  4. Step 4: Simplify right side
    102,935.86x = 6,141,765,550.06
  5. Step 5: Solve for x
    x = 6,141,765,550.06/102,935.86
  6. Step 6: Final answer
    x = 59,665.95

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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.