Home / 119,046.20-164,287.73-65,334.17

Finding the Fourth Proportional to 119,046.20, 164,287.73 and 65,334.17

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Solution

The fourth proportional to 119,046.20, 164,287.73 and 65,334.17 is: 90,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,046.20 : 164,287.73 = 65,334.17 : x
  2. Step 2: Convert to fraction form
    119,046.20/164,287.73 = 65,334.17/x
  3. Step 3: Cross multiply
    119,046.20x = 164,287.73 × 65,334.17
  4. Step 4: Simplify right side
    119,046.20x = 10,733,603,054.79
  5. Step 5: Solve for x
    x = 10,733,603,054.79/119,046.20
  6. Step 6: Final answer
    x = 90,163.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.