Home / 135,956.24-203,955.06-69,360

Finding the Fourth Proportional to 135,956.24, 203,955.06 and 69,360

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Solution

The fourth proportional to 135,956.24, 203,955.06 and 69,360 is: 104,050.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,956.24 : 203,955.06 = 69,360 : x
  2. Step 2: Convert to fraction form
    135,956.24/203,955.06 = 69,360/x
  3. Step 3: Cross multiply
    135,956.24x = 203,955.06 × 69,360
  4. Step 4: Simplify right side
    135,956.24x = 14,146,322,961.60
  5. Step 5: Solve for x
    x = 14,146,322,961.60/135,956.24
  6. Step 6: Final answer
    x = 104,050.56

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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.