Home / 135,541.05-203,244.94-55,557.34

Finding the Fourth Proportional to 135,541.05, 203,244.94 and 55,557.34

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Solution

The fourth proportional to 135,541.05, 203,244.94 and 55,557.34 is: 83,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,541.05 : 203,244.94 = 55,557.34 : x
  2. Step 2: Convert to fraction form
    135,541.05/203,244.94 = 55,557.34/x
  3. Step 3: Cross multiply
    135,541.05x = 203,244.94 × 55,557.34
  4. Step 4: Simplify right side
    135,541.05x = 11,291,748,234.86
  5. Step 5: Solve for x
    x = 11,291,748,234.86/135,541.05
  6. Step 6: Final answer
    x = 83,308.70

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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.