Home / 134,234.20-185,242.64-73,808.60

Finding the Fourth Proportional to 134,234.20, 185,242.64 and 73,808.60

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Solution

The fourth proportional to 134,234.20, 185,242.64 and 73,808.60 is: 101,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,234.20 : 185,242.64 = 73,808.60 : x
  2. Step 2: Convert to fraction form
    134,234.20/185,242.64 = 73,808.60/x
  3. Step 3: Cross multiply
    134,234.20x = 185,242.64 × 73,808.60
  4. Step 4: Simplify right side
    134,234.20x = 13,672,499,918.70
  5. Step 5: Solve for x
    x = 13,672,499,918.70/134,234.20
  6. Step 6: Final answer
    x = 101,855.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.