Home / 135,849.20-203,927.40-80,476.40

Finding the Fourth Proportional to 135,849.20, 203,927.40 and 80,476.40

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Solution

The fourth proportional to 135,849.20, 203,927.40 and 80,476.40 is: 120,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,849.20 : 203,927.40 = 80,476.40 : x
  2. Step 2: Convert to fraction form
    135,849.20/203,927.40 = 80,476.40/x
  3. Step 3: Cross multiply
    135,849.20x = 203,927.40 × 80,476.40
  4. Step 4: Simplify right side
    135,849.20x = 16,411,343,013.36
  5. Step 5: Solve for x
    x = 16,411,343,013.36/135,849.20
  6. Step 6: Final answer
    x = 120,805.59

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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.