Home / 124,856.30-187,690.43-100,166.42

Finding the Fourth Proportional to 124,856.30, 187,690.43 and 100,166.42

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Solution

The fourth proportional to 124,856.30, 187,690.43 and 100,166.42 is: 150,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,856.30 : 187,690.43 = 100,166.42 : x
  2. Step 2: Convert to fraction form
    124,856.30/187,690.43 = 100,166.42/x
  3. Step 3: Cross multiply
    124,856.30x = 187,690.43 × 100,166.42
  4. Step 4: Simplify right side
    124,856.30x = 18,800,279,161.00
  5. Step 5: Solve for x
    x = 18,800,279,161.00/124,856.30
  6. Step 6: Final answer
    x = 150,575.33

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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.