Home / 134,631.99-185,784.90-74,190.60

Finding the Fourth Proportional to 134,631.99, 185,784.90 and 74,190.60

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Solution

The fourth proportional to 134,631.99, 185,784.90 and 74,190.60 is: 102,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,631.99 : 185,784.90 = 74,190.60 : x
  2. Step 2: Convert to fraction form
    134,631.99/185,784.90 = 74,190.60/x
  3. Step 3: Cross multiply
    134,631.99x = 185,784.90 × 74,190.60
  4. Step 4: Simplify right side
    134,631.99x = 13,783,493,201.94
  5. Step 5: Solve for x
    x = 13,783,493,201.94/134,631.99
  6. Step 6: Final answer
    x = 102,379.03

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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.