Home / 145,310.80-217,968.94-40,132.56

Finding the Fourth Proportional to 145,310.80, 217,968.94 and 40,132.56

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Solution

The fourth proportional to 145,310.80, 217,968.94 and 40,132.56 is: 60,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,310.80 : 217,968.94 = 40,132.56 : x
  2. Step 2: Convert to fraction form
    145,310.80/217,968.94 = 40,132.56/x
  3. Step 3: Cross multiply
    145,310.80x = 217,968.94 × 40,132.56
  4. Step 4: Simplify right side
    145,310.80x = 8,747,651,562.69
  5. Step 5: Solve for x
    x = 8,747,651,562.69/145,310.80
  6. Step 6: Final answer
    x = 60,199.60

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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.