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Finding the Fourth Proportional to 135,590.37, 203,386.74 and 35,764.74

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Solution

The fourth proportional to 135,590.37, 203,386.74 and 35,764.74 is: 53,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,590.37 : 203,386.74 = 35,764.74 : x
  2. Step 2: Convert to fraction form
    135,590.37/203,386.74 = 35,764.74/x
  3. Step 3: Cross multiply
    135,590.37x = 203,386.74 × 35,764.74
  4. Step 4: Simplify right side
    135,590.37x = 7,274,073,875.55
  5. Step 5: Solve for x
    x = 7,274,073,875.55/135,590.37
  6. Step 6: Final answer
    x = 53,647.42

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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.