Home / 136,124.03-187,855.45-75,697.22

Finding the Fourth Proportional to 136,124.03, 187,855.45 and 75,697.22

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Solution

The fourth proportional to 136,124.03, 187,855.45 and 75,697.22 is: 104,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,124.03 : 187,855.45 = 75,697.22 : x
  2. Step 2: Convert to fraction form
    136,124.03/187,855.45 = 75,697.22/x
  3. Step 3: Cross multiply
    136,124.03x = 187,855.45 × 75,697.22
  4. Step 4: Simplify right side
    136,124.03x = 14,220,134,198.33
  5. Step 5: Solve for x
    x = 14,220,134,198.33/136,124.03
  6. Step 6: Final answer
    x = 104,464.54

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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.