Home / 136,163.08-204,250.09-47,425.56

Finding the Fourth Proportional to 136,163.08, 204,250.09 and 47,425.56

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Solution

The fourth proportional to 136,163.08, 204,250.09 and 47,425.56 is: 71,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,163.08 : 204,250.09 = 47,425.56 : x
  2. Step 2: Convert to fraction form
    136,163.08/204,250.09 = 47,425.56/x
  3. Step 3: Cross multiply
    136,163.08x = 204,250.09 × 47,425.56
  4. Step 4: Simplify right side
    136,163.08x = 9,686,674,898.30
  5. Step 5: Solve for x
    x = 9,686,674,898.30/136,163.08
  6. Step 6: Final answer
    x = 71,140.25

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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.