Home / 135,474.36-203,281.26-64,477.44

Finding the Fourth Proportional to 135,474.36, 203,281.26 and 64,477.44

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Solution

The fourth proportional to 135,474.36, 203,281.26 and 64,477.44 is: 96,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,474.36 : 203,281.26 = 64,477.44 : x
  2. Step 2: Convert to fraction form
    135,474.36/203,281.26 = 64,477.44/x
  3. Step 3: Cross multiply
    135,474.36x = 203,281.26 × 64,477.44
  4. Step 4: Simplify right side
    135,474.36x = 13,107,055,244.77
  5. Step 5: Solve for x
    x = 13,107,055,244.77/135,474.36
  6. Step 6: Final answer
    x = 96,749.34

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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.