Home / 89,208.97-133,813.68-30,086.17

Finding the Fourth Proportional to 89,208.97, 133,813.68 and 30,086.17

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Solution

The fourth proportional to 89,208.97, 133,813.68 and 30,086.17 is: 45,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,208.97 : 133,813.68 = 30,086.17 : x
  2. Step 2: Convert to fraction form
    89,208.97/133,813.68 = 30,086.17/x
  3. Step 3: Cross multiply
    89,208.97x = 133,813.68 × 30,086.17
  4. Step 4: Simplify right side
    89,208.97x = 4,025,940,455.74
  5. Step 5: Solve for x
    x = 4,025,940,455.74/89,208.97
  6. Step 6: Final answer
    x = 45,129.33

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1.5x scale

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.