Home / 135,622.07-203,405.30-51,353.16

Finding the Fourth Proportional to 135,622.07, 203,405.30 and 51,353.16

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Solution

The fourth proportional to 135,622.07, 203,405.30 and 51,353.16 is: 77,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,622.07 : 203,405.30 = 51,353.16 : x
  2. Step 2: Convert to fraction form
    135,622.07/203,405.30 = 51,353.16/x
  3. Step 3: Cross multiply
    135,622.07x = 203,405.30 × 51,353.16
  4. Step 4: Simplify right side
    135,622.07x = 10,445,504,915.75
  5. Step 5: Solve for x
    x = 10,445,504,915.75/135,622.07
  6. Step 6: Final answer
    x = 77,019.21

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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.