Home / 135,924.96-203,887.44-42,438.72

Finding the Fourth Proportional to 135,924.96, 203,887.44 and 42,438.72

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Solution

The fourth proportional to 135,924.96, 203,887.44 and 42,438.72 is: 63,658.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,924.96 : 203,887.44 = 42,438.72 : x
  2. Step 2: Convert to fraction form
    135,924.96/203,887.44 = 42,438.72/x
  3. Step 3: Cross multiply
    135,924.96x = 203,887.44 × 42,438.72
  4. Step 4: Simplify right side
    135,924.96x = 8,652,721,977.68
  5. Step 5: Solve for x
    x = 8,652,721,977.68/135,924.96
  6. Step 6: Final answer
    x = 63,658.08

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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.