Home / 135,531.96-203,307.91-35,691.45

Finding the Fourth Proportional to 135,531.96, 203,307.91 and 35,691.45

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Solution

The fourth proportional to 135,531.96, 203,307.91 and 35,691.45 is: 53,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,531.96 : 203,307.91 = 35,691.45 : x
  2. Step 2: Convert to fraction form
    135,531.96/203,307.91 = 35,691.45/x
  3. Step 3: Cross multiply
    135,531.96x = 203,307.91 × 35,691.45
  4. Step 4: Simplify right side
    135,531.96x = 7,256,354,104.37
  5. Step 5: Solve for x
    x = 7,256,354,104.37/135,531.96
  6. Step 6: Final answer
    x = 53,539.80

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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.