Home / 135,690.42-203,533.20-55,711.02

Finding the Fourth Proportional to 135,690.42, 203,533.20 and 55,711.02

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Solution

The fourth proportional to 135,690.42, 203,533.20 and 55,711.02 is: 83,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,690.42 : 203,533.20 = 55,711.02 : x
  2. Step 2: Convert to fraction form
    135,690.42/203,533.20 = 55,711.02/x
  3. Step 3: Cross multiply
    135,690.42x = 203,533.20 × 55,711.02
  4. Step 4: Simplify right side
    135,690.42x = 11,339,042,175.86
  5. Step 5: Solve for x
    x = 11,339,042,175.86/135,690.42
  6. Step 6: Final answer
    x = 83,565.53

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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.