Home / 105,346.88-145,381.32-63,954.37

Finding the Fourth Proportional to 105,346.88, 145,381.32 and 63,954.37

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Solution

The fourth proportional to 105,346.88, 145,381.32 and 63,954.37 is: 88,258.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,346.88 : 145,381.32 = 63,954.37 : x
  2. Step 2: Convert to fraction form
    105,346.88/145,381.32 = 63,954.37/x
  3. Step 3: Cross multiply
    105,346.88x = 145,381.32 × 63,954.37
  4. Step 4: Simplify right side
    105,346.88x = 9,297,770,366.92
  5. Step 5: Solve for x
    x = 9,297,770,366.92/105,346.88
  6. Step 6: Final answer
    x = 88,258.63

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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.