Home / 135,421.83-203,132.50-40,651.92

Finding the Fourth Proportional to 135,421.83, 203,132.50 and 40,651.92

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Solution

The fourth proportional to 135,421.83, 203,132.50 and 40,651.92 is: 60,977.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,421.83 : 203,132.50 = 40,651.92 : x
  2. Step 2: Convert to fraction form
    135,421.83/203,132.50 = 40,651.92/x
  3. Step 3: Cross multiply
    135,421.83x = 203,132.50 × 40,651.92
  4. Step 4: Simplify right side
    135,421.83x = 8,257,726,037.77
  5. Step 5: Solve for x
    x = 8,257,726,037.77/135,421.83
  6. Step 6: Final answer
    x = 60,977.81

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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.