Home / 109,616.38-164,441.79-46,436.68

Finding the Fourth Proportional to 109,616.38, 164,441.79 and 46,436.68

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Solution

The fourth proportional to 109,616.38, 164,441.79 and 46,436.68 is: 69,662.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,616.38 : 164,441.79 = 46,436.68 : x
  2. Step 2: Convert to fraction form
    109,616.38/164,441.79 = 46,436.68/x
  3. Step 3: Cross multiply
    109,616.38x = 164,441.79 × 46,436.68
  4. Step 4: Simplify right side
    109,616.38x = 7,636,130,780.86
  5. Step 5: Solve for x
    x = 7,636,130,780.86/109,616.38
  6. Step 6: Final answer
    x = 69,662.31

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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.