Home / 145,708.66-218,563.35-40,527.64

Finding the Fourth Proportional to 145,708.66, 218,563.35 and 40,527.64

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Solution

The fourth proportional to 145,708.66, 218,563.35 and 40,527.64 is: 60,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,708.66 : 218,563.35 = 40,527.64 : x
  2. Step 2: Convert to fraction form
    145,708.66/218,563.35 = 40,527.64/x
  3. Step 3: Cross multiply
    145,708.66x = 218,563.35 × 40,527.64
  4. Step 4: Simplify right side
    145,708.66x = 8,857,856,765.99
  5. Step 5: Solve for x
    x = 8,857,856,765.99/145,708.66
  6. Step 6: Final answer
    x = 60,791.56

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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.