Home / 135,825.60-203,757.81-42,338.64

Finding the Fourth Proportional to 135,825.60, 203,757.81 and 42,338.64

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Solution

The fourth proportional to 135,825.60, 203,757.81 and 42,338.64 is: 63,514.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,825.60 : 203,757.81 = 42,338.64 : x
  2. Step 2: Convert to fraction form
    135,825.60/203,757.81 = 42,338.64/x
  3. Step 3: Cross multiply
    135,825.60x = 203,757.81 × 42,338.64
  4. Step 4: Simplify right side
    135,825.60x = 8,626,828,564.78
  5. Step 5: Solve for x
    x = 8,626,828,564.78/135,825.60
  6. Step 6: Final answer
    x = 63,514.01

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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.