Home / 135,719.64-203,447.08-64,623.17

Finding the Fourth Proportional to 135,719.64, 203,447.08 and 64,623.17

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Solution

The fourth proportional to 135,719.64, 203,447.08 and 64,623.17 is: 96,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,719.64 : 203,447.08 = 64,623.17 : x
  2. Step 2: Convert to fraction form
    135,719.64/203,447.08 = 64,623.17/x
  3. Step 3: Cross multiply
    135,719.64x = 203,447.08 × 64,623.17
  4. Step 4: Simplify right side
    135,719.64x = 13,147,395,236.84
  5. Step 5: Solve for x
    x = 13,147,395,236.84/135,719.64
  6. Step 6: Final answer
    x = 96,871.72

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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.