Home / 135,555.36-203,388.87-59,614.89

Finding the Fourth Proportional to 135,555.36, 203,388.87 and 59,614.89

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Solution

The fourth proportional to 135,555.36, 203,388.87 and 59,614.89 is: 89,446.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,555.36 : 203,388.87 = 59,614.89 : x
  2. Step 2: Convert to fraction form
    135,555.36/203,388.87 = 59,614.89/x
  3. Step 3: Cross multiply
    135,555.36x = 203,388.87 × 59,614.89
  4. Step 4: Simplify right side
    135,555.36x = 12,125,004,573.12
  5. Step 5: Solve for x
    x = 12,125,004,573.12/135,555.36
  6. Step 6: Final answer
    x = 89,446.89

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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.