Home / 135,722.64-203,451.58-64,626.18

Finding the Fourth Proportional to 135,722.64, 203,451.58 and 64,626.18

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Solution

The fourth proportional to 135,722.64, 203,451.58 and 64,626.18 is: 96,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,722.64 : 203,451.58 = 64,626.18 : x
  2. Step 2: Convert to fraction form
    135,722.64/203,451.58 = 64,626.18/x
  3. Step 3: Cross multiply
    135,722.64x = 203,451.58 × 64,626.18
  4. Step 4: Simplify right side
    135,722.64x = 13,148,298,430.36
  5. Step 5: Solve for x
    x = 13,148,298,430.36/135,722.64
  6. Step 6: Final answer
    x = 96,876.24

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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.