Home / 536,507.07-804,757.39-137,147.20

Finding the Fourth Proportional to 536,507.07, 804,757.39 and 137,147.20

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Solution

The fourth proportional to 536,507.07, 804,757.39 and 137,147.20 is: 205,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,507.07 : 804,757.39 = 137,147.20 : x
  2. Step 2: Convert to fraction form
    536,507.07/804,757.39 = 137,147.20/x
  3. Step 3: Cross multiply
    536,507.07x = 804,757.39 × 137,147.20
  4. Step 4: Simplify right side
    536,507.07x = 110,370,220,363.05
  5. Step 5: Solve for x
    x = 110,370,220,363.05/536,507.07
  6. Step 6: Final answer
    x = 205,719.98

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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.