Home / 136,370.20-204,485.25-73,243.43

Finding the Fourth Proportional to 136,370.20, 204,485.25 and 73,243.43

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Solution

The fourth proportional to 136,370.20, 204,485.25 and 73,243.43 is: 109,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,370.20 : 204,485.25 = 73,243.43 : x
  2. Step 2: Convert to fraction form
    136,370.20/204,485.25 = 73,243.43/x
  3. Step 3: Cross multiply
    136,370.20x = 204,485.25 × 73,243.43
  4. Step 4: Simplify right side
    136,370.20x = 14,977,201,094.41
  5. Step 5: Solve for x
    x = 14,977,201,094.41/136,370.20
  6. Step 6: Final answer
    x = 109,827.52

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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.