Home / 135,815.37-203,759.28-47,068.80

Finding the Fourth Proportional to 135,815.37, 203,759.28 and 47,068.80

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Solution

The fourth proportional to 135,815.37, 203,759.28 and 47,068.80 is: 70,615.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,815.37 : 203,759.28 = 47,068.80 : x
  2. Step 2: Convert to fraction form
    135,815.37/203,759.28 = 47,068.80/x
  3. Step 3: Cross multiply
    135,815.37x = 203,759.28 × 47,068.80
  4. Step 4: Simplify right side
    135,815.37x = 9,590,704,034.37
  5. Step 5: Solve for x
    x = 9,590,704,034.37/135,815.37
  6. Step 6: Final answer
    x = 70,615.75

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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.