Home / 135,731.44-203,598.72-40,962.45

Finding the Fourth Proportional to 135,731.44, 203,598.72 and 40,962.45

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Solution

The fourth proportional to 135,731.44, 203,598.72 and 40,962.45 is: 61,444.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,731.44 : 203,598.72 = 40,962.45 : x
  2. Step 2: Convert to fraction form
    135,731.44/203,598.72 = 40,962.45/x
  3. Step 3: Cross multiply
    135,731.44x = 203,598.72 × 40,962.45
  4. Step 4: Simplify right side
    135,731.44x = 8,339,902,388.06
  5. Step 5: Solve for x
    x = 8,339,902,388.06/135,731.44
  6. Step 6: Final answer
    x = 61,444.15

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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.