Home / 124,758.09-187,138.53-36,012.42

Finding the Fourth Proportional to 124,758.09, 187,138.53 and 36,012.42

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Solution

The fourth proportional to 124,758.09, 187,138.53 and 36,012.42 is: 54,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,758.09 : 187,138.53 = 36,012.42 : x
  2. Step 2: Convert to fraction form
    124,758.09/187,138.53 = 36,012.42/x
  3. Step 3: Cross multiply
    124,758.09x = 187,138.53 × 36,012.42
  4. Step 4: Simplify right side
    124,758.09x = 6,739,311,340.54
  5. Step 5: Solve for x
    x = 6,739,311,340.54/124,758.09
  6. Step 6: Final answer
    x = 54,019.03

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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.