Home / 124,800.20-187,200.30-49,956.20

Finding the Fourth Proportional to 124,800.20, 187,200.30 and 49,956.20

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Solution

The fourth proportional to 124,800.20, 187,200.30 and 49,956.20 is: 74,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,800.20 : 187,200.30 = 49,956.20 : x
  2. Step 2: Convert to fraction form
    124,800.20/187,200.30 = 49,956.20/x
  3. Step 3: Cross multiply
    124,800.20x = 187,200.30 × 49,956.20
  4. Step 4: Simplify right side
    124,800.20x = 9,351,815,626.86
  5. Step 5: Solve for x
    x = 9,351,815,626.86/124,800.20
  6. Step 6: Final answer
    x = 74,934.30

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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.