Home / 131,235.72-196,884.93-42,489.32

Finding the Fourth Proportional to 131,235.72, 196,884.93 and 42,489.32

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Solution

The fourth proportional to 131,235.72, 196,884.93 and 42,489.32 is: 63,744.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,235.72 : 196,884.93 = 42,489.32 : x
  2. Step 2: Convert to fraction form
    131,235.72/196,884.93 = 42,489.32/x
  3. Step 3: Cross multiply
    131,235.72x = 196,884.93 × 42,489.32
  4. Step 4: Simplify right side
    131,235.72x = 8,365,505,729.86
  5. Step 5: Solve for x
    x = 8,365,505,729.86/131,235.72
  6. Step 6: Final answer
    x = 63,744.12

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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.