Home / 145,976.46-218,538.21-131,968.86

Finding the Fourth Proportional to 145,976.46, 218,538.21 and 131,968.86

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Solution

The fourth proportional to 145,976.46, 218,538.21 and 131,968.86 is: 197,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,976.46 : 218,538.21 = 131,968.86 : x
  2. Step 2: Convert to fraction form
    145,976.46/218,538.21 = 131,968.86/x
  3. Step 3: Cross multiply
    145,976.46x = 218,538.21 × 131,968.86
  4. Step 4: Simplify right side
    145,976.46x = 28,840,238,440.14
  5. Step 5: Solve for x
    x = 28,840,238,440.14/145,976.46
  6. Step 6: Final answer
    x = 197,567.73

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1.5x scale

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.